Michel Waldschmidt

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Agenda - Archives (from January 2009 till now)

January 22, 2009, Heidelberg Colloquium organized by the Institute for Mathematics.
    Transcendental Number Theory: Schanuel's Conjecture. (pdf 59 p., 5,2 Mo)

February 21 - 28, 2009, CIMPA School, Lahore (Pakistan). (rapport en français).
    Combinatorial and Computational Aspects of Commutative Algebra

25, 26 et 27 mars 2009, Institut Henri Poincaré, Paris
    Rencontre différentio-diophantienne - Un parcours libre entre motifs, équations différentielles, logique et transcendance
    Exposé: Transcendance p-adique.

April 3 - 4, 2009, Brussels - Bruxelles (Belgique) Report in English.
    Meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 6 - May 10, 2009, Vietnam and Cambodia (rapport en français)
    April 7 - 17, 2009, Ho Chi Minh University of Sciences HCMUS,
       Finite fields: some applications.
    April 20 - May 8, 2009, Royal University of Phnom Penh (URPP - Université Royale de Phnom Penh).
        Master of Science in Mathematics, CIMPA Master Training Program, Discrete Mathematics MMA 105.

May 17 - 24, 2009, National Taiwan University, Taipei, Taiwan.
    Taida Institute for Mathematical Sciences (TIMS)
       May 19 - 22, 2009, conference "Modular Forms and Function Field Arithmetic"
       Friday, May 22, 2009: Schanuel's Conjecture and Criteria for Algebraic Independence

24 - 30 mai 2009, Faculté des Sciences, Université Mohammed premier, Oujda (Maroc) (rapport en français).
    18 - 30 mai 2009, École de recherche CIMPA, Cryptographie.

7 - 11 juin 2009, Université des Sciences et de la Technologie Houari-Boumediène (USTHB), Alger (rapport en français).
    7, 9 et 11 juin: Cours sur les nombres transcendants, Département d'Algèbre et Théorie des Nombres, Faculté des Mathématiques
    8 juin: Introduction à la cryptographie. (powerpoint ppt file, 2,9 Mo).

6 - 10 juillet 2009, St Etienne
    26èmes Journées Arithmétiques.

3 - 8 août 2009, Yamoussoukro (Côte d'Ivoire) (rapport en français).
    Seventh Pan African Congress of Mathematicians (7th PACOM) Septième Congrès Pan Africain de Mathématiques (7è COPAM)
    New trends in the development and the applications of mathematical sciences
    Conférence plénière: Nombres transcendants: résultats récents et problèmes ouverts (fichier pdf, 3,9 Mo).

19 - 20 septembre 2009: Saint Maixent l'École.

23 - 30 septembre 2009: invité par Claude Levesque, Département de mathématiques et de statistique Université Laval Québec (Canada).
    Jeudi 24, 15h30, Colloquium de Mathématiques Autour de l'équation de Markoff
    Vendredi 25, 20h, Conférence CRM , Salle Hydro-Québec, Pavillon Desjardins, Université Laval
    Questions arithmétiques soulevées par des lapins, des vaches et le Code da Vinci

October 3 - 13, 2009: Mumbai = Bombay (India)
    October 5 - 9, International conference on "Analytic Number Theory" ant2009, TIFR Tata Institute of Fundamental Research.
        Lecture on Thursday, October 8, 9:30 am:
            Criteria for irrationality, linear independence, transcendence, algebraic independence.   screen pdf: 4,7 Mo, 94 p.   print pdf: 4.4 Mo, 14 p.

October 13 - 22, 2009: Japan.
    October 14 -16, 2009: Kyoto (Japan). Analytic number theory and related topics, RIMS, Kyoto. Organizer : Hirofumi Tsumura.
        Department of Mathematics, Kyoto Univ., Rm 127, Faculty of Science bldg. #3.
        Lecture on Friday, October 16, 10:00 am:
            Recent Diophantine results on zeta values: a survey   screen pdf: 7 Mo, 119 p.   print pdf: 6.7 Mo, 20 p.
    October 17 - 18, 2009: Two-day International Conference on Number Theory, Kinki University, Iizuka, Fukuoka (Japan).
        Lecture on Sunday, October 18, 2pm:
            Schanuel's Conjecture and criteria for algebraic independence.   screen pdf 6 Mo, 111 p.   print pdf 5.7 Mo, 16 p.
    October 21, 2009: Kyushu University.
        Algebra Seminar, 11:00 am:
            On the Markoff equation x^2+y^2+z^2=3xyz.   screen pdf 4.2 Mo, 142 p.   print pdf 3.3 Mo, 17 p.

Lundi 26 octobre 2009, 16h30, Université Paris Diderot, La Halle aux Farines, Amphi 1A - Rez de Chaussée, 16 rue Françoise Dolto
    Exposé au Maths-Club de l'IREM:
       Cryptographie: une introduction élémentaire   ppt 2,9 Mo, 81 p.   print pdf 2,9 Mo, 20 p.

October 27 - November 4, 2009: Thailand.
    October 29 - 31, 2009: Franco-Thai Seminar in Pure and Applied Mathematics, Bangkok
        October 31, 13:30-14:00: Presentation of a paper on
            Criteria for linear independence and transcendence, following Yuri Nesterenko, Stéphane Fischler, Wadim Zudilin and Amarisa Chantanasiri.
            screen pdf: 4 Mo, 106 p.   print pdf: 3.7 Mo, 13 p.
        October 31, 14:35-16:30 Round Table on Franco – Thai Cooperation
    Monday, November 2nd - Wednesday, November 4th Number Theory Days in KKU; Faculty of Science, Khonkaen University (KKU), Thailand.
        November 2, 10:00 - 12:15, Lecture on History of irrational and transcendental numbers   screen pdf: 4,4 Mo, 221 p.   print pdf: 3,5 Mo, 20 p.
        November 3, 10:00 - 12:15, Lecture on Discrete mathematics and Diophantine analysis.   screen pdf: 1.5 Mo, 158 p.   print pdf: 908 Ko, 16 p.
        November 4, 10:00 - 12:15, Lecture On the so-called Pell-Fermat equation   screen pdf: 1.8 Mo, 186 p.   print pdf: 1.1 Mo, 21 p.

November 13 - 20, 2009: Iraqi Kurdistan Report in English.
    November 14 - 18, 2009: Erbil, The First Iraqi-French Mathematics Conference in Cooperation with College of Science, Salahaddin University-Erbil
    under the slogan With Science, we build civil society.

November 25 - December 2, 2009: Pakistan.
    The French Science Tour in Pakistan (FSTP) (rapport en français)
    Some recent results in mathematics related to modern technology   ppt 4,7 Mo, 171 p.   print pdf 4,1 Mo, 43 p..
  November 25-29, Lahore.
       Abdus Salam School of Mathematical Sciences (ASSMS)
  November 30, Islamabad
       COMSATS Institute of Information Technology (CIIT) Department of Mathematics in the Faculty of Sciences.
  December 1, Islamabad
       National University of Science and technology (NUST), School of Electrical Engineering and Computer Sciences (SEECS)
       Mohammed Ali Jinnah University (MAJU) Department of Computer Science
             19h00: Some arithmetic problems raised by rabbits, cows and the Da Vinci Code. ppt 9.1 Mo, 89 p.   print pdf 7.1 Mo, 23 p.

December 2 - 24, 2009: Chennai, India
    The Institute of Mathematical Sciences (IMSc)
        Mathematics Colloquium, Wed. December 9, 15:30 - 16:30 Hall 123
        Recent Diophantine results on zeta values: a survey   screen pdf: 7 Mo, 118 p.   print pdf: 6.7 Mo, 19 p.
    Chennai Mathematical Institute (CMI): course on algebraic independence and modular forms.
    Pie Mathematics Association, Sunday December 20, 16:00 - 17:00, Raj Towers (Fulcrum) II Floor, 31, White's Road, Royapeyyah, Chennai - 14
        Srinivasa Ramanujan   screen pdf: 3 Mo, 156 p.   print pdf: 2.5 Mo, 20 p.
        You Tube.

January 2 - February 13, 2010, India. (rapport en français)
January 3-7, 2010, Trivandrum = Thiruvananthapuram, Kerala, India
    97th Indian Science Congress
       January 4, 4:30 pm: Number Theory Challenges of 21st Century     screen pdf: 1.37 Mo, 99 p.     print pdf: 1.08 Mo, 12 p.
January 8, 2010, Calicut = Kozhikode (Kerala)
    The Kerala School of Mathematics (KSoM)
       January 8: Number Theory  Challenges of 21st Century     screen pdf: 2.12 Mo, 155 p.     print pdf: 1.57 Mo, 19 p.
January 9-10, 2010, Cochin = Kochi (Kerala)
    Department of Mathematics, Cochin University of Science and Technology CUSAT
       January 10, at 10:30 am: Some challenging number theoretic problems of twenty-first century     screen pdf: 2.36 Mo, 184 p.     print pdf: 1.67 Mo, 22 p.
January 10-31, 2010: Madras = Chennai, India.
    Chennai Mathematical Institute (CMI) and The Institute of Mathematical Sciences (IMSc): course on algebraic independence and modular forms.
    Tuesday, January 12, 2010, The Ramanujan Institute, Chennai: "S.S. Pillai Endowment Lecture" Perfect Powers: Pillai's works and their developments     screen pdf: 2.3 Mo, 145 p.     print pdf: 1.8 Mo, 15 p.
    Wednesday, January 20, 2010, Chennai Mathematical Institute (CMI) : "R.K. Rubugunday Endowment Lecture" Number Theory  Challenges of 21st Century.     screen pdf: 2.3 Mo, 176 p.     print pdf: 1.7 Mo, 21 p.
    Friday, January 22, 2010, Department of Mathematics, Providence College For Women, Coonoor, Nilgiris: one-day workshop.
        Introduction to cryptography.     screen ppt: 4.2 Mo, 104 p.     print pdf: 7.2 Mo, 26 p.
        Introduction to coding theory.     screen ppt: 4.1 Mo, 162 p.     print pdf: 5.3 Mo, 41 p.
February 1 - 7, 2010: Bhubaneswar, India
    Institute of Mathematics and Applications (IMA)
    National Institute of Science Education and Research (NISER)
        IMA, Feb. 1, 2 and 3, from 3 to 4:30 pm. An introduction to Diophantine approximation and continued fractions.
        NISER, February 4, at 5pm: Lecture on Srinivasa Ramanujan   screen pdf: 3 Mo, 159 p.   print pdf: 2.5 Mo, 20 p.
        IMA, February 5: On the so-called Pell-Fermat equation   screen pdf: 1.8 Mo, 186 p.   print pdf: 1.1 Mo, 21 p.
February 8-12, 2010: Allahabad, India
    Harish-Chandra Research Institute (HRI)
        February 9 at 4 PM - Lecture on History of irrational and transcendental numbers (I).
        February 10 at 12:00 noon - Lecture on History of irrational and transcendental numbers (II).
           (see my lecture in November 2009 for the Number Theory Days in KKU; Faculty of Science, Khonkaen University   screen pdf: 4,4 Mo, 221 p.   print pdf: 3,5 Mo, 20 p. )
        February 12 at 4:00 PM : HRI Colloquium Math and Phys Number Theory  Challenges of 21st Century.     screen pdf: 2.4 Mo, 177 p.     print pdf: 1.7 Mo, 21 p.

February 13-24, 2010: Lahore, Pakistan (rapport en français)
    Abdus Salam School of Mathematical Sciences (ASSMS) Graduate course: Introduction to Diophantine Approximation, February 15, 16, 17, 18, 19, 22 and 23, from 2 pm to 3:30 pm.
       February 23, 2010: On the so-called Fermat-Pell equation     screen pdf: 3.2 Mo, 194 p.   print pdf: 1.2 Mo, 21 p.

February 25-27, 2010: Kathmandu, Nepal (rapport en français)
    Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu.
        On 25 February, 2010: talk on “On the so-called Pell-Fermat equation”   screen pdf: 1.8 Mo, 185 p.   print pdf: 1.1 Mo, 21 p.
        On 26 Feb, 11:30 - 13:00 and 14:30 - 16:00: talks on “Continued Fractions and Pell's equation”.

March 8-14, 2010: Pisa, Italy
    Centro De Giorgi: Italy-India conference on Diophantine and Analytic Number Theory

Mercredi 31 mars 2010: 14 heures à l'Amphithéâtre Darboux, Institut Henri Poincaré (Paris)
    Séminaire d'Epistémologie et Histoire des idées Mathématiques. Exposé avec Michel Serfati: Sur l'irrationalité de nombres transcendants.

Samedi 2 avril 2010, 10:00 - 12:00: Lycée Jules Verne, Limours
    Jeux de cartes et de chapeaux, transmission de données et codes correcteurs d'erreurs. ppt 4 Mo, 164 p.   print pdf 6,2 Mo, 41 p.

Jeudi 8 avril 2010, Institut Camille Jordan, Université Claude Bernard Lyon 1
    Habilitation de Boris Adamczewski: Une approche arithmétique des systèmes de numération. Soutenance à 14 h 30, salle Fokko du Cloux

April 10, 2010: Budapest, Hungary
    Meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 12 - June 29, 2010: Rio de Janeiro, Brazil. (rapport en français).
    IMPA Instituto Nacional de Matematica Pura e Aplicada,
    Course on number theory.
        April 15, 2010, IMPA
        Colloquium lecture (Colóquio de Pós-Graduação) On the so-called Pell-Fermat equation   screen pdf: 1.9 Mo, 194 p.   print pdf: 1.2 Mo, 22 p.

July 12 - 16, 2010: Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu, Nepal.
    Lectures on Diophantine Approximations and Padé Approximants.

July 19 - 31, 2010: Dhulikhel, Nepal.
    CIMPA Research school on number theory in cryptography and its applications. School of Science, Kathmandu University, Dhulikhel, Népal.
    Course on Finite Fields (pdf: 69 pages).
    Tuesday, July 20, 2010: Introduction to cryptography (ppt: 97 p., 3.3 Mo).
    Thursday, July 22, 2010: Introduction to error correcting codes (ppt: 162 p., 4.1 Mo).
    Friday, July 23, 2010: Course 3 (pdf: 6 pages).
    Sunday, July 25, 2010: Course 4 (pdf: 16 pages).

August 18 - September 4, 2010: India.
    August 18, 2010, IIIT, Hyderabad.
       1430hrs. Saranga Hall (Room No.119), International Institute of Information Technology (IIIT), Hyderabad
       Srinivasa Ramanujan   screen pdf: 3,1 Mo, 159 p.   print pdf: 2.6 Mo, 20 p.
    August 19 - 27, 2010: Hyderabad.
       International Congress of Mathematicians ICM 2010, Hyderabad International Convention Centre.
       August 24: meeting of the IFIM (Indo French Institute of Mathematics = Institut Franco Indien de Mathématiques).
          Indo-French cooperation in Mathematics, (pdf: 140 Ko)
          Special issue on Mathematics Newsletter of the Ramanujan Mathematical Society , Vol. 19, Sp. No. 1, August 2010, 1-12.
       August 25: meeting Mechanisms for strengthening mathematics in developing countries.
          Presentation of the CIMPA (Centre International de Mathématiques Pures et Appliquées)
          and of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)
    August 29 - September 3, 2010: Chennai.
       Analytic and Combinatorial Number Theory, The Institute of Mathematical Sciences (IMSc).
        Thursday, September 2, 9:30 - 10:10 Talk on p-adic density of rational points on abelian varieties.

Du 6 au 10 septembre 2010: CIRM, Luminy, France
    Approximation diophantienne et transcendance.
    Exposé sur : Nouvelles familles d'équations de Thue n'ayant que des solutions triviales (travail en commun avec Claude Levesque).

September 14 - 17, 2010, Feza Gürsey Institute, TUBITAK, Galatasaray University, Istanbul (Turkey), September 13 - 21, 2010.
    CIMPA Research School Commutative Algebra and Applications to Combinatorics and Algebraic Geometry.

September 24 - October 23, Phnom Penh, Cambodge (via Ho Chi Minh, Vietnam)
    September 27 - October 20, 2010: Royal University of Phnom Penh (URPP - Université Royale de Phnom Penh).
        Master of Science in Mathematics, CIMPA Master Training Program.
        Course 1: Linear Algebra.
        Course 2: Introduction to real analysis.

Du 15 au 26 novembre 2010, Bamako (Mali)
    Faculté des Sciences et Techniques (FAST) de l'Université des Sciences, des Techniques et des Technologies de Bamako (USTTB).
    École de recherche CIMPA : Théorie des Nombres et Algorithmique
    Cours: Équations de Pell-Fermat.
        Premier cours: présentation beamer sur L'équation dite de Pell-Fermat x^2-dy^2=\pm 1
            version écran: 2 Mo, 86 (197) p.   version pour imprimer: 1.1 Mo, 22 p.
        Les cours suivants ont été donnés également en français, bien que la rédaction soit en anglais:
            L'équation de Pell-Fermat (55 p., 434 Ko).
    Vendredi 19 novembre 2010: Cryptographie: une introduction élémentaire   ppt 3,4 Mo, 90 p.   print pdf 3,3 Mo, 23 p.
Le suivi de cette école est assuré sur la page dédiée de ce site.
Mon rapport de mission est rédigé en français; un lien se trouve sur la page consacrée aux activités de coopération.

December 14 - 16, 2010, Erbil (Kurdistan, Iraq)
    International Conference on Revitalizing Research in Kurdistan.
    December 15, 9:00 - 12:00, session 4 Mathematics. International Cooperation in Mathematics: France and Kurdistan     screen pdf: 180 Ko, 40 p.   print pdf: 188 Ko, 6 p.
    (rapport de mission en français, 7p., plus 2 appendices in English, 1p.+3p.)

Du mardi 18 au jeudi 20 janvier 2011: Brussels - Bruxelles (Belgique) ERC Starting Grant Peer Review Panel 2011

March 1-3, 2011: Mathematisches Institut, Üniversität Basel (Schweiz)
    Zahlentheorie Arbeitsgruppe: lecture on Families of Diophantine equations with only trivial solutions
    Perlen-Kolloquium am Departement Mathematik On the so-called Fermat-Pell equation         screen pdf: 1.1 Mo, 185 p.   print pdf: 1 Mo, 21 p.

Samedi 12 mars 2011, Lycée Jules Verne de Limours
    Rationnels, irrationnels, infinis         screen pdf: 5.4 Mo, 193 p.   print pdf: 5,3 Mo, 27 p.

Mercredi 16 mars 2011, Institut Fourier, Grenoble.
    Séminaire tournant de Théorie Analytique des Nombres et d'Approximation Diophantienne.
       Familles d'équations de Thue-Mahler n'ayant que des solutions triviales.

Du mardi 4 janvier au vendredi 25 mars 2011:
    Cours de Master à Jussieu : Théorie des Nombres.

April 1-3, 2011: Madrid (Spain)
    Meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 4-29, 2011: The Institute of Mathematical Sciences (IMSc), Chennai (India)
    Special year in number theory at IMSc: Course on multizeta values. (51 pages, updated September 29, 2012).

April 26, 2011, Bangalore (India),
    Colloquium talk at TIFR (Tata Institute of Fundamental Research) CAM (Centre for Applicable Mathematics).
    Ramachandra's contributions on transcendental number theory.         screen pdf: 6.5 Mo, 93p.   print pdf: 6.5 Mo, 16p.

Du mardi 3 au vendredi 6 mai 2011: Brussels - Bruxelles (Belgique) ERC Starting Grant Peer Review Panel 2011

Mercredi 11, lundi 23 et mardi 24 mai 2011: Caen - Comité sélection PR 25.

Friday, May 27, 2011: Barcelona
    Department of Applied Mathematics IV, Universitat Politècnica de Catalunya (UPC).
    Mathematics Colloquium: Transcendental Number Theory: recent results and open problems.
    screen pdf: 4,1 Mo, 80p.   print pdf: 4 Mo, 20p.

Le 13 juin 2011, veillée de soutien au Blogueur franco-vietnamien Pham Minh Hoang-Pierre , détenu depuis le 13 août 2010 au Vietnam
    Parvis de la Cathédrale Notre-Dame de Paris M° Cité, Hôtel de Ville - RER Saint-Michel

June 6-14, 2011: Weinan Teachers University (Weinan, Shaanxi, China) et Suda Neu-Tech Institute (Sanmenxia, Henan, China)
    Wednesday, July 8, 2011. Weinan Teachers University; talk On the so-called Fermat-Pell equation     screen pdf: 3.2 Mo, 194 p.   print pdf: 1.2 Mo, 21 p.

Lundi 20 juin 2011, UNESCO (Paris): General Assembly of CIMPA.
    Activities by region India and West Asia     ppt file     pdf file.

Du lundi 27 juin au vendredi 1 Juillet 2011: Vilnius (Lithuanie)
    Journées Arithmétiques 2011

July 6-9, 2011: Fields Institute, Toronto (Ontario, Canada)
    Conference on transcendence and L-functions
    Wednesday, July 6, 3:30-4:30: Transcendence properties of Euler's Gamma and Beta functions.

From Saturday, July 16 to Friday, July 22, Turkey
    17 Istanbul
    18-19 Bursa, Uludag University, lecture on Diophantine equations, Diophantine approximation and connexions between them
    20-23: Konya The 24th International Conference of Jangjeon Mathematical Society ICJMS’2011,
        Organized by Selcuk University (Department of Mathematics, Science Faculty and Research Center of Applied Mathematics) - Scientific Committee.
        Lecture On the Brahmagupta-Fermat-Pell Equation x^2-dy^2= \pm 1.         screen pdf: 3 Mo, 65 p.   print pdf: 3 Mo, 17 p.
        Rapport en français: 4p.

Du 24 au 31 juillet 2011: Kinshasa, République Démocratique du Congo (RDC)
    École de recherche CIMPA Systèmes Dynamiques dans des Variétés et Applications (l'école est du 18 au 31 juillet 2011)
    Vendredi 30 juillet 2011, présentation du CIMPA (Centre International de Mathématiques Pures et Appliquées) (fichier powerpoint en français, 4,8 Mo)
    et atelier sur l'Accès internet à la documentation électronique en mathématique en Afrique (fichier powerpoint, 2,4 Mo)
    animé avec Jorge Jimenez Urroz, à partir du workshop Finding Online Information in Mathematics d'Anders Wändahl.
    Le suivi de cette école est assuré sur la page dédiée du site du CIMPA.
    Mon rapport de mission (5 pages) est rédigé en français; un lien se trouve sur la page consacrée aux activités de coopération.

August 30 - September 22, 2011: Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu, Nepal.
    Master Course: Introduction to Algebraic Number Theory.
    September 18, 2011, 9:45-10:45; Central Department of Computer Science and Information Technology (CDCSIT):
    Number Theory in Cryptography and its Applications: Introduction to Cryptography (ppt: 97 p., 3.6 Mo)   print pdf 3,5 Mo, 24 p.
    Wednesday, September 21, 2011, presentation of CIMPA (Centre International de Mathématiques Pures et Appliquées) (powerpoint file, 4,7 Mo)

September 24 - October 27, 2011: Abdus Salam School of Mathematical Sciences (ASSMS), Lahore (Pakistan)
    A Course on Finite Fields.
    September 27 - October 1, 2011: An Expository Workshop on Number Theory and Allied Areas in Mathematics in ASSMS Lahore (Pakistan).
    Tuesday, September 27, 2011: Introduction to error correcting codes (ppt: 162 p., 4.3 Mo).

Vendredi 4 novembre 2011, 20h, Bibliothèque de Limours.
    Soirée débat avec Pierre Cartier : Mathématiciens sans Frontières
    (À 19h, inauguration de l'exposition "des maths partout?").

November 10, 2011: Prague, Czech Republic.
    KAM Mathematical Colloquium. Faculty of Mathematics and Physics of Charles University.
    Transcendence of Periods.    screen pdf: 5.4 Mo, 99p.   print pdf: 5.4 Mo, 25p.

14 novembre 2011, Collège Jean-Jaurès de Pantin, promenade mathématique
    Un code secret peut-il permettre une transaction sécurisée? ( ppt: 76 p., 2,5 Mo, pdf: 20 p., 6,9 Mo, ).

November 21 - December 21, 2011: India.
    November 21 - 27, 2011, Neemrana University (Rajasthan), National Institute of Information and Technology (NIIT).
        November 21, 3:00 pm: Number Theory in Cryptography and its Applications: Introduction to Cryptography; ppt , 3.6 Mo 97 p.   print pdf 3,5 Mo, 24 p.
        November 22, 4:30 pm: Introduction to error correcting codes; ppt 4.3 Mo, 162 p.   print pdf 3,5 Mo, 41 p.
        November 25-26, 2011: two day symposium on Ramanujan's life work and interests, NIIT University, Neemrana, Rajastan.
            November 25, 10:00 am: On the Brahmagupta-Fermat-Pell Equation x^2-dy^2= \pm 1;     screen pdf: 3,2 Mo, 194 p.   print pdf: 3,2 Mo, 21 p.
            November 25, 6:30 pm: Srinivasa Ramanujan;   screen pdf: 3,1 Mo, 160 p.   print pdf: 2.7 Mo, 20 p.
            November 26, 10:00 am: On the Markoff equation x^2+y^2+z^2=3xyz;   screen pdf 4.3 Mo, 165 p.   print pdf 4,2 Mo, 21 p.
    November 28 - December 20, 2011, Harish-Chandra Research Institute (HRI), Allahabad
        November 29, 30 and December 5, 8, 12: HRI ``Special Years in Mathematics'' Project.
            Five courses on Diophantine Approximation and Diophantine Equations; informal notes: 14 pages; pdf 250 Ko.
        Friday, December 9, HRI Colloquium lecture sponsored by the Indian Mathematical Society on Transcendental Numbers     screen pdf 4.6 Mo, 89p.   print pdf 4.5 Mo, 22p.
        December 15 - 20, 2011: HRI: International Meeting on Number Theory 2011
            December 16: lecture on Families of Thue-Mahler equations     screen pdf 1.7 Mo, 24p.   print pdf 1.8 Mo, 6p.

6 janvier 2012: Clermont Ferrand.
    Université Blaise Pascal de Clermont-Ferrand, Laboratoire de Mathématiques: Jury de l'habilitation de Kamal Boussaf.

Samedi 7 janvier 2012, Lycée Jules Verne de Limours
    "Mathématiciens sans Frontières" avec Pierre Cartier.
    Exposé sur Srinivasa Ramanujan         screen pdf: 2,5 Mo, 52 p.   print pdf: 2,5 Mo, 13 p.

11 - 13 janvier 2012: Metz - Nancy.
    Évaluation du laboratoire (AERES Agence d'Évaluation de la Recherche et de l'Enseignement Supérieur).

January 16 - February 3, 2012: Khonkaen University (KKU), Thailand.
    Faculty of Science, Department of Mathematics. Course on number theory.
January 23, 2012: Vientiane (Laos)
    Faculty of Science, National University of Laos (NUOL) Lao PDR. Report in English.

February 3, 2012: Bangkok (Thailand)
    Centre of Excellence in Mathematics (CEM), Department of Mathematics, Mahidol University.
    Lecture at 1:30 pm on Transcendental Number Theory: recent results and open problems.     screen pdf 4.6 Mo, 90p.   print pdf 4.5 Mo, 23p.

February 4 - 13, 2012: Lahore (Pakistan)
    Abdus Salam School of Mathematical Sciences (ASSMS), Research School : Local analytic geometry, CIMPA (Centre International de Mathématiques Pures et Appliquées).
    February 10, Centre for Advanced Studies in Mathematics (CASM), Lahore University of Managment Sciences (LUMS):
    talk on Number theory: Challenges of twenty-first century     screen pdf: 2 Mo, 84 p.     print pdf: 2 Mo, 21 p.
    I wrote a Report in English.

February 13, 2012: Bangkok (Thailand)
    Chulalongkorn University, Faculty of Science, Department of Mathematics and Computer Science
    Seminar lecture at 2:00 pm - Diophantine approximation and Diophantine equations: an introduction         screen pdf: 1.3 Mo, 94 p.     print pdf: 1.3 Mo, 16 p.
    After my visits to Thailand from January 16 to February 3 and on February 13, I wrote a Report in English.

March 3 - 8, 2012: University of Hawai`i at Mānoa (USA).
    March 3 - 4, 2012: Sectional Meeting of the AMS (American Mathematical Society), Special session on Algebraic Number Theory, Diophantine Equations and Related Topics.
        March 3, 2012, 15:45-16:05, Families of Thue-Mahler equations with only trivial solutions.     screen pdf: 277 Ko, 47 p.     print pdf: 313 Ko, 6 p.
    March 6 - 8, 2012: HCANTAGMF (Hawai`i Conference in Algebraic Number Theory, Arithmetic Geometry and Modular Forms).
        March 7, 9:45am – 10:15am East-West Center, Some remarks on Diophantine equations and Diophantine approximation.     screen pdf: 1 Mo, 94 p.     print pdf: 1 Mo, 12 p.

March 12 - 16, 2012: Newcastle (Australia).
    International Number Theory Conference in Memory of Alf van der Poorten, AM. Hosted by CARMA (Priority Research Centre for Computer-Assisted Research Mathematics and its Applications), the University of Newcastle, Australia.
        March 15, 4.00pm Some families of curves with only trivial S-integral points.     screen pdf: 4.1 Mo, 107 p.     print pdf: 4.1 Mo, 17 p.

March 29 - April 10, 2012: PhnomPenh (Cambodge).
    Royal University of Phnom Penh (URPP - Université Royale de Phnom Penh).
        Master of Science in Mathematics, CIMPA Master Training Program, Course on Number Theory (with Fidel Nemenzo).
        April 2, 2012, Khemarak University, Phnom Penh, 1 pm: lecture On the Brahmagupta-Fermat-Pell Equation x^2-dy^2= \pm 1.         screen pdf: 3.2 Mo, 84 p.   print pdf: 3.2 Mo, 21 p.
    Report in English.

April 13 - 14, 2012: Limoges.
    Meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

Lundi 16 avril 2012 : Université Claude Bernard, Lyon I.
    Département de mathématiques, Institut Camille Jordan, Commission de recrutement, poste de Maître de Conférences.

Lundi 14 et mardi 15 mai 2012 : Université Claude Bernard, Lyon I.
    Département de mathématiques,Commission de recrutement, poste de Maître de Conférences.

Mercredi 16 mai 2012, 16:15: Amiens.
    Université de Picardie-Jules Verne, Laboratoire Amiénois de Mathématique Fondamentale et Appliquée. Colloquium Mathématique d'Amiens: Nombres Transcendants.     screen pdf: 4,7 Mo, 92 p.     print pdf: 4,6 Mo, 23 p.

29 mai - 1 juin, 2012, IHP (Paris)
    Hypergeometric series and their generalizations in algebra, geometry, number theory and physics.

Vendredi 1 juin, 14h, IHP (Paris)
    Assemblée Générale du CNFM (Comité National Français des Mathématiciens).

Dimanche 3 juin 2012, Place Jussieu, Paris
    Salon Culture & jeux mathématiques 2012 10h30 - Show Math Sciences et Mathématiques en Action SMAC (Québec) avec Jean-Marie de Koninck.

Vendredi 8 Juin 2012, 11:00: Metz.
    Université de Lorraine, Laboratoire de Mathématiques et Applications de Metz, Equipe "Algèbre, Géométrie et Analyse": Familles d'équations diophantiennes sans solution non triviale.

Lundi 11 et mardi 12 juin 2012, IHÉS (Bures sur Yvette, France), centre de conférences Marilyn et James Simons.
    Conférence "Dialogues autour de l'algèbre, la géométrie et les fonctions multizêtas" à l'occasion des 80 ans de Pierre Cartier.

Vendredi 15 et samedi 16 juin 2012, Institut Henri Poincaré, Paris.
    Journées annuelles de la SMF: Transcendance et irrationalité.
    Vendredi 15 juin, 13:30: Questions de transcendance: grandes conjectures, petits progrès (19 pages - épreuves 23/05/2012).
    screen pdf: 4,9 Mo, 95 p.     print pdf: 19,5 Mo, 32 p.

Mardi 19 juin, 14h, IHP (Paris)
    Assemblée Générale du CIMPA (Centre International de Mathématiques Pures et Appliquées).

Du 25 juin au 5 juillet 2012, Paris
    "Ecole d'été" sur le thème "Autour des conjectures de Zilber-Pink".

Friday, July 6, 2012: Wien (Austria)
    Austrian Science Fund (FWF) Special Research Programme (SFB)

July 30 - August 3: Astrakhan (Russia).
    Diophantine analysis in Astrakhan, Astrakhan State University. Lecture on families of Diophantine equations without non-trivial solutions.

August 20-24, 2012: Hué (Vietnam)
    Joint congress of the French Mathematical Society (SMF) and the Vietnamese Mathematical Society (VMS).

September 23-30, 2012, Centro De Giorgi, Pisa (Italie)
    ERC Intensive research period on Diophantine Geometry. (20 September 2012 - 20 October 2012).
    Talk on September 25th: Families of Diophantine equations.

Jeudi 4 Octobre, Nantes, Laboratoire de Mathématiques Jean Leray
    Colloquium de mathématiques: Quelques unes des nombreuses conjectures de la théorie des nombres transcendants.     screen pdf: 12.4 Mo, 125 p.     print pdf: 15.7 Mo, 32 p.

October 10-14, 2012: New-Delhi (India)
    October 10, 3:30 PM at Seminar Room 2, New Building Theoretical Statistics and Mathematics Unit, Indian Statistical Institute (ISI). Mathematics Seminar.
        Lecture on Diophantine approximation and Diophantine equations: old and new.     screen pdf: 1.3 Mo, 52 p.     print pdf: 1.3 Mo, 13 p.
    October 12, 3:30 pm, Delhi University, South Campus, colloquium of mathematics.
        Lecture on Number theory: Challenges of twenty first century     screen pdf: 3.2 Mo, 95 p.     print pdf: 3.1 Mo, 24 p.

October 14 - November 28, 2012: Nepal.
    October 18 - November 6: Gokyo, ChoLa Pass, Everest Base Camp, Kalapatar, Island Peak.
    November 7 - 28: Kathmandu.
        Course on Continued Fractions, Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu, Nepal.

Mardi 4 décembre 2012, Université de Caen , Laboratoire de Mathématiques Nicolas Oresme
    exposé au colloquium de mathématiques: Questions de transcendance: grandes conjectures, petits progrès
    screen pdf: 4,9 Mo, 95 p.     print pdf: 19,5 Mo, 32 p.

Mercredi 5 décembre 2012, Université de Lille 1
    Soutenance de thèse de Lucas Demangos.

Mardi 11 décembre 2012, Institut de Mathématiques de Toulon et du Var
    Symposium de mathématiques: Questions de transcendance: grandes conjectures, petits progrès
    screen pdf: 10,5 Mo, 125 p.     print pdf: 13,8 Mo, 32 p.

December 17 - 22, 2012. New Delhi (India)
    The Legacy of Srinivasa Ramanujan - An International Conference, Viceregal Lodge, University of Delhi
    Plenary talk on Tuesday, December 18, 4pm: From highly composite numbers to transcendental number theory.
       screen pdf: 9.7 Mo, 90 p.     print pdf: 9.7 Mo, 25 p.

Mardi 15 janvier 2013, promenade mathématique, Lycée Frédéric Mistral, Fresnes.
    Introduction à la cryptographie. fichier powerpoint, 3,4 Mo, 90 pages fichier pdf, 3,4 Mo, 23 pages.

January 25 - February 1, 2013, Harish-Chandra Research Institute (HRI), Allahabad (India).
    Wednesday, January 30, 11:30 am, Mathematics Seminar : Liouville sets and Liouville fields.

February 1-3, 2013, The Institute of Mathematical Sciences (IMSc), Chennai (India).

February 4-8, 2013, Calicut = Kozhikode (Kerala, India).
    The Kerala School of Mathematics (KSoM)
       Workshop on number theory and dynamical systems.
       Course on Diophantine approximation and linear recurrence sequences.

Samedi 16 février 2013, 16h. médiathèque de Meudon-la-Forêt.
    Promenade mathématique : La suite de Fibonacci et le nombre d’or. ppt 9,4 Mo, 82 p.

March 1-13, Pakistan
    March 6-9, 2013, Lahore, Abdus Salam School of Mathematical Sciences (ASSMS)
        6th World Conference on 21st Century Mathematics 2013.
        Lecture On the abc conjecture and some of its consequences     screen pdf: 6.4 Mo, 133 p.     print pdf: 6.5 Mo, 20 p.
        Text for the proceedings (preliminary version): 320 Ko 26 p.
    March 11, 2013, Lahore, Abdus Salam School of Mathematical Sciences (ASSMS)
        Workshop on Number Theory and Related Topics. Organized by the National University of Computer & Emerging Sciences [NUCES], Peshawar. Lecture on Solving families of Diophantine equations. extended abstract, 2p., 200 Ko.
        Lecture on Solving families of Diophantine equations. extended abstract, 2p., 200 Ko
    March 12, 2013, COMSATS IIT, Lahore Campus
        Lecture on Diophantine approximation and Diophantine equations: old and new     screen pdf: 4.5 Mo, 165 p.     print pdf: 4.5 Mo, 22 p.

March 18 - 22, 2013, Dublin (Ireland).
    Colloquium, Department of Mathematics and Statistics, National University of Ireland, Maynooth.
        Lecture On the abc conjecture and some of its consequences     screen pdf: 6.4 Mo, 131 p.     print pdf: 6.5 Mo, 20 p.

April 4-7, 2013, Aarhus (Denmark)
    April 5-7, EMS/DMF Joint Weekend,
        Danish Mathematical Society (DMF)'s 140 years anniversary, European Mathematical Society (EMS).
        April 5, Lecture on "Diophantine equations, old and new".     screen pdf: 4.2 Mo, 92 p.     print pdf: 4.2 Mo, 13 p.
    April 6, EMS meeting of the presidents 2013, Danish Mathematical Society (DMF).
        EMS-CDC     screen pdf: 233 Ko, 14 p.     print pdf: 275 Ko, 4 p.

Lundi 15 avril 2013. Lycée François Couperin à Fontainebleau.
    Promenade mathématique : La suite de Fibonacci et le nombre d’or, ppt 9,4 Mo, 82 p.

April 18 - 21, 2013, Linköping (Sweden)
    Meeting of the Committee for Developing Countries, European Mathematical Society.

Mardi 30 avril 2013, Institut Henri Poincaré (IHP), Paris.
    Association Science Ouverte. Exposé sur La conjecture abc     screen pdf: 7.4 Mo, 131 p.     print pdf: 7.5 Mo, 20 p.

4 au 10 mai 2013,
    Faculté des Mathématiques, Université des Sciences et de la Technologie Houari-Boumediène (USTHB), Faculté des mathématiques, Alger (Algérie)
        Du 5 au 8 mai: Cours de cryptographie. Voir le polycopié d'Alain Kraus.
    Dimanche 5 mai, cours : Cryptographie, une introduction élémentaire; (powerpoint ppt file, 2,9 Mo, 89 p.); version à imprimer: pdf 23p., 5,4 Mo.
    Lundi 6 mai, conférence: Jeux de cartes et de chapeaux, transmission de données et codes correcteurs d'erreurs; (powerpoint ppt file,, 4 Mo, 164 p.); version à imprimer: pdf 41p., 5,9 Mo.

May 17, Paris
    Seminar on Successful Indo--French S&T Co-operation through CEFIPRA
    Talk on Indo--French cooperation in mathematics.     screen pdf: 254 Ko, 47 p.     print pdf: 320 Ko, 10 p.

May 20-24, 2013, Italy
    May 20-21, ICTP (Trieste)
        May 20, 11:00 am, ICTP Euler Lecture Hall, terrace level, Leonardo Building
        Lecture On the abc conjecture and some of its consequences     screen pdf: 8.2 Mo, 136 p.     print pdf: 8.2 Mo, 21 p.
    May 22-24, Universita degli Studi di Udine, Dipartimento di Matematica et Informatica.
        Ciclo di conferenze della Scuola Superiore dell'Università di Udine "Storia della matematica indiana"
        May 23: The long tradition of mathematics in India: an overview.

May 28 - 30, 2013, Brussels - Bruxelles (Belgique)
    ERC Consolidator Grant Peer Review Panel 2013

Samedi 1 juin 2013, Institut Henri Poincaré (IHP), Paris
    Meeting Emerging Regional Centres of Excellence of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS).

Lundi 3 juin 2013, Institut Henri Poincaré (IHP), Paris
    Assemblée Générale du CIMPA (Centre International de Mathématiques Pures et Appliquées).

5 - 18 Juin 2013, Canada.
    5-12 juin: Université d'Ottawa, Département de mathématiques et de statistique
        June 8-10, 2013 Workshop on Number Theory with a view towards Transcendence and Diophantine Approximation - The Ottawa Mathematics Conference (OMC).
        Organizers: Damien Roy (University of Ottawa) and Cameron L. Stewart (University of Waterloo).
        June 8, Keynote : Families of Diophantine equations with finitely many solutions.
        11 juin 2013, Collation des grades du printemps 2013, Centre national des arts (CNA), Ottawa. Doctora Honoris Causa.
    12-18 juin: Département de mathématiques et de statistique, Université Laval Québec.
        Vendredi 14 juin 2013, 10h30, exposé Sur les équations diophantiennes: du vieux et du neuf.     screen pdf: 4.2 Mo, 91 p.     print pdf: 4.2 Mo, 13 p.

27 juin 2013, Pau.
    Université de Pau et des Pays de l'Adour, Laboratoire de Mathématiques et de leurs applications.
        Colloquium de mathématiques: Introduction à la Cryptographie fichier powerpoint, 3,8 Mo, 89 pages fichier pdf, 6,5 Mo, 23 pages.

July 1 - 5, 2013, Grenoble
    Journées Arithmétiques 2013

July 14 - August 2, 2013, Manila (Philippines)
    Institute of Mathematics of the University of the Philippines (Diliman campus), invited professor.
        July 15, Coding and number theory seminar: Transcendental Number Theory: recent results and open problems.     screen pdf 4.6 Mo, 90p.   print pdf 4.5 Mo, 23p.
        July 18, 4 pm, talk on Cards, hats, coins and codes. powerpoint file (161 p., 4.3 Mo)   pdf file (41 p., 5.6 Mo).
    July 22 - August 2, 2013; CIMPA-ICTP-UNESCO-MESR-MINECO-PHILIPPINES research school: Algebraic Curves over Finite Fields and Applications , Manila Report in English.
        Course on Finite Fields (77 p., 612 Ko).

August 23 - 25, 2013, Islamabad, Pakistan.
    14th International Pure Mathematics Conference 2013 (14 IPMC 2013), Preston University, Islamabad. Organized by Algebra Forum and the Pakistan Mathematical Society.
    25/08/2013: Lecture On the Brahmagupta-Fermat-Pell Equation         screen pdf: 3.2 Mo, 188 p.   print pdf: 3.2 Mo, 21 p.
    Report in English.

2 au 6 septembre 2013, Porquerolles
    5th International Conference on Algebraic Informatics

September 17 - 20, 2013, Brussels - Bruxelles (Belgique)
    ERC Consolidator Grant Peer Review Panel 2013

30 septembre - 4 octobre 2013, Bordeaux
    Conférence Thue 150
    Talk on: Families of Diophantine Thue equations with only finitely many nontrivial solutions     screen pdf: 10.1 Mo, 116 p.     print pdf: 10.2 Mo, 18 p.

October 7 - 11, 2013, Madrid (Spain), Instituto de Ciencias Matematicas
    ICMAT 2013 Fall School on "Multiple Zeta Values, Multiple Polylogarithms, and Quantum Field Theory” (MZVQFT).
    Course: An elementary introduction to Multiple Zeta Values
    Una introduccion elemental a valores zeta multiples, notes by Fernando Chamizo Lorente, El Diablo de Los Numeros, La Gaceta de la RSME, Vol. 17 (2014), no. 3, 549--557.

October 23 - 24, 2013, Basrah (Iraq),
    Second International Conference of Mathematics and its Applications, (International Advisory Board), University of Basrah.
    Report by Michel Jambu and Michel Waldschmidt.

October 29 - November 4,2013. Mandalay University (The Republic of the Union of Myanmar, Birmanie)
    The Sixth International Conference on Science and Mathematics Education in Developing Countries, 1-3 November 2013
        Lecture On the abc conjecture and some of its consequences     screen pdf: 8.2 Mo, 138 p.     print pdf: 8.3 Mo, 21 p.
    Report in English.

November 6 - 11, 2013. Bandung (Indonesia)
    SEAMS School on Numbers, Matrices and Graphs, Institut Teknologi Bandung (ITB), November 4-16, 2013.
    An Introduction to Number Theory with applications to cryptography and coding theory, with Fidel Nemenzo and Djoko Suprijanto.
    November 6, first course: Introduction to cryptography. powerpoint file, 3,6 Mo, 96 pages pdf file, 6.2 Mo, 24 pages.
    Exercises (with solutions), 9 pages - from Weil's book Number Theory for Beginners.
    Structure of finite abelian groups, 4 pages.
    Report in English on the SEAMS School.

November 13 - 22, 2013, India
    November 14, Manipur University.
        Lecture On the abc conjecture and some of its consequences     screen pdf: 8.2 Mo, 138 p.     print pdf: 8.3 Mo, 21 p.
    November 15, Tezpur University.
        Lecture On the abc conjecture and some of its consequences     screen pdf: 8.2 Mo, 138 p.     print pdf: 8.3 Mo, 21 p.
    November 18 - 29, Fourier analysis of groups in combinatorics, CIMPA-UNESCO-MESR-MINECO-INDIA research school: North Eastern Hill University, Shillong.
        Report in English.
        Notes online.
        November 18, Presentation of CIMPA and Indo-French cooperation in Mathematics     screen pdf: 31,3 Mo, 47 p.     print pdf: 31,2 Mo, 12 p.

November 26 - 29, 2013, Papua New Guinea
    November 26 - 28, 2013, PNG University of Technology, The Papua New Guinea University of Technology, LAE:
        International Conference on Pure and Applied Mathematics ICPAM–LAE 2013,
        Lecture on Diophantine approximation with applications to dynamical systems.     screen pdf: 1.2 Mo, 103 p.     print pdf: 1.2 Mo, 14 p.
        Proceedings of the Conference: South Pacific Journal of Pure and Applied Mathematics, vol. 1, No 2 (2014), 1-18.
    November 29, 2013, Port Moresby, Faculty of Natural and Physical Science, University of PNG (UPNG). ICPAM-LAE SATELLITE CONFERENCE.
        An elementary introduction to error correcting codes. powerpoint file (161 p., 4.3 Mo)   pdf file (41 p., 5.6 Mo).

December 1 - 4, 2013, Mumbai. December 4 - 7, 2013, Delhi.

December 7 - 14, 2013, Chennai Mathematical Institute (CMI) - The Institute of Mathematical Sciences (IMSc), Chennai, Inde.
    December 9 - 13, 2013. CMI-IMSc Joint Mathematics Colloquium, Conference on Analytic Theory of Automorphic forms.
        December 13, 2013: On Schanuel's Conjecture. screen pdf: 21 Mo, 146 p.     print pdf: 21 Mo, 21 p.

February 7-13, 2014
    Graduate School of Advanced Technology, Electronic and Computer Science , Phisico-mathematical Science, Kinki University, Iizuka, Fukuoka (Japan).
        February 10, 2014: Mathematical Sciences Colloquium, 192th lecture, Collloq. Room, 14:50-16:30, Lecture on
        Diophantine approximation with applications to dynamical systems.     screen pdf: 1.2 Mo, 103 p.     print pdf: 1.2 Mo, 14 p.

21 Février 2014: Clermont-Ferrand
    Université Blaise Pascal, Habilitation de Ta Thi Hoai An.

March 14-23, 2014: Malaysia, Bangladesh
    March 14-19, Institute of Mathematical Research (INSPEM), University Putra Malaysia, Kuala Lumpur, Malaysia.
        March 18:
            Presentation of CIMPA (Centre International de Mathématiques Pures et Appliquées):
               screen pdf: 4,4 Mo, 21 p.     print pdf: 4,3 Mo, 6 p.
            Presentation of the Committee for Developing Countries of the European Mathematical Society.
                screen pdf: 800 Ko, 15 p.     print pdf: 800 Ko, 4 p.
            Lecture on: Some of the most famous open problems in number theory.
                screen pdf: 4.1 Mo, 196 p.     print pdf: 4.1 Mo, 26 p.
        Report in English (4p.)
    March 20-22, 2014 IUB campus, Bashundhara, Dhaka, Bangladesh 18th International Mathematics Conference.
        Lecture on Diophantine approximation with applications to dynamical systems.   screen pdf: 1.2 Mo, 103 p.   print pdf: 1.2 Mo, 14 p.
        Report in English.

27 mars 2014, Nancy.
    Séminaire de Théorie des Nombres de Nancy-Metz.
    La constante d'Euler est-elle un nombre rationnel, un nombre algébrique irrationnel ou bien un nombre transcendant? screen pdf: 4,7 Mo, 22 p.     print pdf: 4,7 Mo, 131 p.

6 au 17 Avril 2014, Université des Sciences, de Technologie et de Médecine de Nouakchott (Mauritanie)
    Faculté des Sciences et Techniques, Département de Maths-Informatique (DMI) , Master de Mathématiques,
    Cours de Théorie Analytique des Nombres.
    Dimanche 13 avril, 2014 exposé: La constante d'Euler est-elle un nombre rationnel, un nombre algébrique irrationnel ou bien un nombre transcendant? screen pdf: 4,6 Mo, 22 p.     print pdf: 4,6 Mo, 128 p.
    Rapport en français, 5p..

April 24 - 27, 2014, Berlin (Germany)
    Annual meeting of the Committee for Developing Countries, European Mathematical Society.

May 4 - 10, 2014, Ennio De Giorgi Mathematical Research Center, Pisa (Italy).
    May 6: Scuola Normale Superiore, Colloquium De Giorgi. Talk on Schanuel's Conjecture: algebraic independence of transcendental numbers. screen pdf: 21.7 Mo, 68 p.     print pdf: 21.7 Mo, 17 p.
    Extended abstract: 10 p. Colloquium De Giorgi 2013 and 2014, Ed. U. Zannier; Edizioni della Normale 2015, 129--137.

Vendredi 23 Mai, 2014, Paris: Assemblée Générale du CIMPA

May 26 - June 22, 2014. Ottawa (Canada)
    Université d'Ottawa, Département de mathématiques et de statistique
    May 27, 2014, 73rd Algebra Day – CRM - University of Ottawa Distinguished Lecture on Three algebras arising from Multiple Zeta Values.     screen pdf: 2.3 Mo, 70 p.     print pdf: 2.3 Mo, 18 p.
    June 16-20, 2014: 13th Conference of the Canadian Number Theory Association (CNTA XIII), Carleton University (Ottawa). Lecture on A family of Thue equations involving powers of units of the simplest cubic fields.     screen pdf: 11.1 Mo, 73 p.     print pdf: 11.1 Mo, 11 p.

6 - 25 juillet 2014, Bénin, Togo, Ghana, Côte d’Ivoire
    7 - 19 juillet 2014, The Institute of Mathematics and Physical Sciences (IMSP), Dangbo (Bénin)
    Algebraic Number Theory and Applications, CIMPA-ICTP-BENIN Ecole de recherche organisée en commun avec l’ICTP (rapport en français).
    Number Theory, the African Queen Posted on July 29, 2014 by Adriana Salerno.  
        Course: Introduction to the theory of finite fields with application to error correcting codes  
        17 juillet 2014, An elementary introduction to error correcting codes. powerpoint file (161 p., 4.3 Mo)   pdf file (41 p., 5.5 Mo).
    21 juillet 2014: Université de Lomé, Togo. Exposé: La constante d'Euler est-elle un nombre rationnel, un nombre algébrique irrationnel ou bien un nombre transcendant? screen pdf: 4,7 Mo, 22 p.     print pdf: 4,7 Mo, 131 p.
    22-23 juillet 2014: African Institute of Mathematical Studies, Accra, Ghana.
    24 juillet: Université Félix Houphouët-Boigny, Cocody, Abidjan, Côte d’Ivoire. Journée Arithmétique. Exposé: Introduction à la cryptographie. fichier powerpoint, 3,4 Mo, 89 pages fichier pdf, 6.2 Mo, 23 pages.

August 7-26, 2014, Seoul, (Republic of Korea), COEX Convention & Exhibition Center.
    Tuesday, August 12, 2014 "Mathematics in Emerging Nations: Achievements and Opportunities" (MENAO).
        Leaflet EMS-CDC
        Poster EMS-CDC
        Beamer presentation EMS-CDC, Beamer presentation for printing
    August 13 - 21, 2014 International Congress of Mathematicians ICM 2014.
        A short report on ICM 2014.

Mardi 9 septembre 2014, Institut de Mathématiques de Bordeaux (IMB): conférence en l’honneur de Jean-François Jaulent.

Vendredi 12 septembre 2014, Clermont-Ferrand (France).
    Exposé: Une méthode effective pour résoudre des équations diophantiennes dépendant de paramètres.

15 - 19 Septembre 2014, CIRM, Luminy (France)
    Approximation diophantienne et transcendance (Yann Bugeaud, Michel Laurent, Umberto Zannier)

25-30 septembre 2014, Université Laval, Québec (Canada); 27-28 septembre: congrès Québec-Maine.
    A survey on Multiple Zeta Values.     screen pdf: 2.4 Mo, 72 p.     print pdf: 2.4 Mo, 18 p.

October 14 - November 14: Nepal.
    November 3 - 16, 2014, Tribhuvan University, Kirtipur, Kathmandu (Nepal)
    Aspects of Dynamical Systems CIMPA-NEPAL research school

November 25 - December 3, 2014: India.
    25-27: Department of Mathematics, Indian Institute of Technology (IIT Bombay)
        Nov. 25, 2:30 pm, Seminar lecture On the abc conjecture and some of its consequences     screen pdf: 13,6 Mo, 89 p.     print pdf: 13,7 Mo, 23 p.
        Nov 26 2014 at 5.15 pm, Colloquium lecture on Multiple zeta values     screen pdf: 2.3 Mo, 72 p.     print pdf: 2.3 Mo, 18 p.
    27-30: School of Mathematics, Tata Institute of Fundamental Research (TIFR), Mumbai
        Colloquium lecture on Some recent results on Diophantine equations: a survey.     screen pdf: 16.3 Mo, 88 p.     print pdf: 16.3 Mo, 22 p.
    November 30 - December 3, 2014: The Institute of Mathematical Sciences (IMSc), Chennai.

December 4-13, 2014, Goroka (Papua New Guinea).
    December 8-12, ICPAM-GOROKA 2014; International Conference on Pure and Applied Mathematics.
    "Contemporary Developments in the Mathematical Sciences as Tools for Scientific and Technological Transformation of Papua New Guinea"
        December 8, 2014. Public Lecture on Some arithmetic problems raised by rabbits, cows and the Da Vinci Code. ppt 9.1 Mo, 89 p.   print pdf 7.5 Mo, 22 p.
        December 9, 2014. Lecture on Continued fractions: introduction and applications.     screen pdf: 5.2 Mo, 67 p.     print pdf: 5.3 Mo, 17 p.

December 14-17, 2014, Goa, India.
    Winter School on modular functions in one and several variables, Goa University.
        Three courses on algebraic independence of periods of elliptic curves.
        Notes by R. Thangadurai, 18 pages. Updated March 8, 2016.

December 18, 2014, Pune, India.
    Indian Institute of Science, Education and Research IISER.
        Mathematic Seminar: Continued fractions: introduction and applications. pdf screen: 5,6 Mo, 79 p.     pdf print: 5,6 Mo, 20 p.

5 au 15 janvier 2015, Université des Sciences et de la Technologie Houari-Boumediène (USTHB), Faculté des Mathématiques, Alger.
    Programme Tassili, Partenariat Hubert Curien (PHC).
        Cours : introduction à la théorie des corps finis. Mardi 6, mercredi 7, dimanche 11, mercredi 14, 9:00 - 10:30.
        Polycopié (en anglais): 82 pages.
    Jeudi 8 janvier, 10:00, conférence: introduction aux codes correcteurs d’erreurs (powerpoint fichier ppt, 4 Mo, 164 p.); fichier pdf, version à imprimer: 5,9 Mo, 41p.
    Lundi 12 janvier, 10:00, conférence: fractions continues, introduction et applications fichier pdf, version écran: 5,6 Mo, 79 p.     fichier pdf, version à imprimer: 5,6 Mo, 20 p.
    Mardi 13 janvier, 14:00, conférence: problèmes ouverts en théorie des nombres. fichier pdf, version écran: 4.4 Mo, 105 p.     fichier pdf, version à imprimer: 4.4 Mo, 27 p.
    Rapport de mission en français.

28-30 janvier 2015, Bordeaux.
    Haut Conseil de l'évaluation de la recherche et de l'enseignement supérieur (HCERES): Membre du comité d’experts pour l'évaluation de l’Institut de Mathématiques de Bordeaux IMB.

February 2-6, 2015, Universita degli Studi Roma Tre (Francesco Pappalardi).
    Feb. 4, 16:00 - Colloqui di Matematica Transcendental Number Theory: recent results and open problems.     screen pdf 4.6 Mo, 90p.   print pdf 4.5 Mo, 23p.
    17:30 - Présentation du CIMPA powerpoint file (18 p., 8.1 Mo)   pdf file (5 p., 3.9 Mo).

March 23-30, 2015: China.
    Weinan Teachers University (WNTU), Weinan, Shaanxi.
       March 25, 2015: Lecture on Continued fractions : introduction and applications. pdf screen: 5,6 Mo, 78 p.     pdf print: 5,6 Mo, 20 p.
    The 11th international conference on number theory and smart problems. Baoji, Shaanxi, P.R. China.
        Lecture on Some of the most famous open problems in number theory, pdf screen: 4.4 Mo, 104 p.     pdf print: 4.3 Mo, 26 p.

April 10-11, 2015: Oslo (Norvège)
    The Norwegian Royal Academy of Science and Letters. SEFE (Stochastics in Environmental and Financial Economics) and the EMS-CDC meet in Oslo. Annual meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 12 - 16, 2015: Cabo Verde (Cap Vert)
    École Mathématique en Afrique Algebraic structures, cryptography, number theory and applications. Universidade de Cape Verde, Praia, Santiago - Cabo Verde.
    Course: Introduction to certain topics of algebraic number theory related to cryptography.
    Rapport de mission en français.

April 20 - May 8, 2015. RUPP - Royal University of Phnom Penh (URPP - Université Royale de Phnom Penh).
    Master of Science in Mathematics.
    Supported by IMU CDC and CIMPA.
    Course: Algebra and Geometry.
        April 30, 2015. Lecture on Number theory and cryptography. powerpoint file (95 p., 3.6 Mo)
    Report in English.

18 - 29 mai 2015: Oujda (Maroc)
    Université Mohammed Premier, Faculté des Sciences, École de recherche CIMPA-Oujda Théorie des Nombres et ses Applications.
    Cours: Équations diophantiennes et leurs applications .
        18 mai, Équations diophantiennes et leurs applications.     screen pdf: 16.3 Mo, 88 p.     print pdf: 16.3 Mo, 22 p.
        19 mai, Sur l’équation dite de Fermat-Pell         screen pdf: 1.1 Mo, 85 p.   print pdf: 3,3 Mo, 21 p.
        19 mai, Continued fractions (unpublished manuscript, 46 pages). Exercices (1 page).
        20 mai, Schmidt Subspace Theorem and S-unit equation (unpublished manuscript, 9 pages).
        21 mai, Effective transcendental methods for solving Diophantine equations.
           Références:
           Diophantine equations and transcendental methods (written by Noriko Hirata). (digital version - pdf file 610 Ko) in: Transcendental numbers and related topics, RIMS Kôkyûroku, Kyoto, 599 (1986), N°8, 82-94.
           Claude Levesque et Michel Waldschmidt, Some remarks on diophantine equations and diophantine approximation, 26 p. (pdf: 400 Ko). Vietnam Journal of Mathematics, 39:3 (2011) 343-368. arXiv:1312.7200 [math.NT].
        29 mai, clôture de l’école,
            Présentation du Comité pour les Pays en Développement de la Société Mathématique Européenne fichier pdf, 388 Ko, 5 p.
            Accès internet à la documentation électronique en mathématique en Afrique fichier powerpoint, 2,3 Mo, 45 p.   fichier pdf 1,5 Mo, 11 p.
            à partir du workshop Finding Online Information in Mathematics d'Anders Wändahl.
    Rapport en français.

2-3 juin 2015, IHP, Paris.
    Arithmétique et autres mathématiques: une rencontre en l’honneur de Joseph Oesterlé.

9 - 11 juin 2015: Brussels - Bruxelles (Belgique) ERC Consolidator Grant Peer Review Panel 2015

Vendredi 12 juin 2015, IHP (Paris).
    Assemblée générale du CIMPA.

June 16-25 2015, India.
    June 16-20, 2015: Advanced Instructional Schools (AIS) Analytic Number Theory (2015), Kalinga Institute of Industrial Technology (KIIT), Bhubaneswar.
       June 18, 19, 20: Course on Transcendental numbers: introduction to some of the main methods and to some of the open problems.
       June 18, Transcendental Number Theory: recent results and open problems.     screen pdf 4.6 Mo, 90p.   print pdf 4.5 Mo, 23p.
    Centre for Fundamental Studies (CFS), School of Mathematical Sciences, National Institute of Science education and Research (NISER) Bhubaneswar.
       June 19, 4 pm: Continued fractions: introduction and applications. pdf screen: 5,6 Mo, 79 p.     pdf print: 5,6 Mo, 20 p.

July 6-11, 2015, Debrecen (Hongrie)
    July 6-10, 2015: 29èmes Journées Arithmétiques JA 2015
    July 10-11, 2015: Symposium on the honour of the 75th birthday of Professor Kálmán Győry (Debrecen University Symposium).
    Lecture: Effective upper bound for the solutions of a family of Thue equations involving powers of units of the simplest cubic fields. pdf screen: 12,3 Mo, 78 p.     pdf print: 12,3 Mo, 12 p.

July 13 - July 17, 2015: Aarhus, Denmark
    Conference "Diophantine Approximation and Related Topics".

August 31 - September 9, 2015, Ho Chi Minh City (Vietnam)
    Department of Computer Science at Vietnam National University HCMC Ho Chi Minh City VNU.HCM, University of Science
    SEAMS School Number Theory and Applications in Cryptography and Coding Theory. Course: Introduction to Coding Theory.
       First course Tuesday, September 1, 2015: An elementary introduction to error correcting codes. powerpoint file (161 p., 4.3 Mo)   pdf file (41 p., 5.5 Mo).
    September 5, Cantho University. Lecture On the Brahmagupta-Fermat-Pell Equation         screen pdf: 3.2 Mo, 188 p.   print pdf: 3.2 Mo, 21 p.
Report in English.

September 10-13, 2015, Beijing (China)
    Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Institute of Mathematics.
    Lecture on Continued fractions: introduction and applications. pdf screen: 5,6 Mo, 79 p.     pdf print: 5,6 Mo, 20 p.

September 14-20, 2015, Ulaanbaatar (Mongolia)
    School of Mathematic and Computer Science, National University of Mongolia. Org.: Bayarmagnai Gombodorj (NUM, Mongolia). Monday 14, 4 pm; Wednesday 16, 4 pm. Friday 16, 10:30 pm. Course on Lattice cryptography.
       screen pdf: 256 Go, 12 p.     print pdf: 220 Go, 3 p.
    September 15, 2015. Meeting of the Mathematical Society of Mongolia. Lecture on CIMPA, SMF, EMS and IMU.
       screen pdf: 12 Mo, 30 p.     print pdf: 12.4 Mo, 9 p.
    Friday, September 18, 4pm: Transcendental Number Theory: recent results and open problems.     screen pdf 8.2 Mo, 95p.   print pdf 8.2 Mo, 24p.
    Report in English.

28 et 29 septembre 2015, Le Bourget-du-Lac, Université de Savoie Mont Blanc.
    Théorie des Nombres, Systèmes de Numération, Théorie Ergodique. Un colloque inspiré par les mathématiques de Pierre Liardet
    Exposé: Les huit premiers travaux de Pierre Liardet.         screen pdf: 1,2 Mo, 33 p.   print pdf: 1,3 Mo, 8 p.

13-16 octobre 2015: Brussels - Bruxelles (Belgique) ERC Consolidator Grant Peer Review Panel 2015

October 22 - November 7, 2015, Nepal
    Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu.
    Course on Diophantine approximation. Lectures on
        Continued fractions: introduction and applications. pdf screen: 5,6 Mo, 79 p.     pdf print: 5,6 Mo, 20 p.
        On the Brahmagupta-Fermat-Pell Equation         screen pdf: 3.2 Mo, 83 p.   print pdf: 3.2 Mo, 21 p.
        On the Markoff equation x^2+y^2+z^2=3xyz;   screen pdf 4.3 Mo, 84 p.   print pdf 4,2 Mo, 21 p.

November 18 - 28, 2015, Pakistan
    Eminent Professors Lectures Program EPLP, National Mathematical Society of Pakistan (NMSP) and Kangourou Sans Frontières Pakistan (KSF Pakistan).
       Abdus Salam School of Mathematical Sciences (ASSMS), GC University Lahore.
          Friday, November 20, 10:00 - 11:30: Lecture on Continued fractions: introduction and applications. pdf screen: 5,6 Mo, 79 p.   pdf print: 5,6 Mo, 20 p.
       Centre for Advanced Studies in Pure and Applied Mathematics (CASPAM), Bahauddin Zakariya University Multan.
          Monday, November 23, 11:00 - 12:30: Lecture on An elementary introduction to cryptography. powerpoint file (95 p., 3.6 Mo)   pdf file (24 p., 6,2 Mo).
       Department of Mathematical Sciences IBA (Institute of Business Administration), Karachi.
          Wednesday, November 25, 13:00-14:00: Lecture on an elementary introduction to error correcting codes. powerpoint file (172 p., 3.5 Mo)   pdf file (43 p., 4.1 Mo).
       Forman Christian College (FC College) University Lahore.
          November 26: 12:30-14:00, Lecture on Some arithmetic problems raised by rabbits, cows and the Da Vinci Code. ppt 9.1 Mo, 89 p.   print pdf 7.5 Mo, 22 p.
       Centre for Advanced Studies in Mathematics (CASM), Syed Babar Ali School of Science and Engineering (SBASSE), Lahore University of Managment Sciences (LUMS).
          November 27, 11:00 - 11:40, Smart Lab, 5th floor, SSE building: special talk on Some international mathematical societies and institutes: SMF, EMS, IMU, CIMPA, ICTP. screen pdf: 12.1 Mo, 37 p.   print pdf: 12.1 Mo, 21 p.
          November 27, 2015. ASSMS academic excellence award ceremony held in ASSMS.
Report in English, 11 pages.

Lundi 30 novembre, Pau.
    Jury de thèse de Juan Viu-Sos. Sujet: Périodes et arrangements de droites: contributions à la conjecture des périodes de Kontsevich-Zagier et à la conjecture de Terao

December 4 - 6, 2015. Yangon (Myanmar)
    The Eighth International Conference on Science and Mathematics Education in Developing Countries (8th ICSMEDC),
    Yangon University, Yangon, The Republic of the Union of Myanmar.
    Lecture on Linear recurrence sequences: an introduction.     screen pdf 9.3 Mo, 79p.   print pdf 9.3 Mo, 20p.
    Panel Discussion The committee for developing countries of the EuropeanMathematical Society.     screen pdf 2.6 Mo, 23p.   print pdf 2.8 Mo, 6p.

December 7-17, 2015, Chennai (India)
    The Institute of Mathematical Sciences (IMSc).
    December 14-18: A conference celebrating 65th birthday of R. Balasubramanian.
    Lecture on Linear recurrence sequences, exponential polynomials and Diophantine approximation.     screen pdf 16.9 Mo, 56p.   print pdf 17.1 Mo, 14p.

December 18-20, 2015, Dhaka (Bangladesh)
    19th International Mathematics Conference, Bangladesh Mathematical Society, BRAC University.
    December 18, 12:00 - 12:30, Lecture on Linear recurrence sequences: an introduction.     screen pdf 9.3 Mo, 72p.   print pdf 9.3 Mo, 18p.
    December 21, 2015. German University of Bangladesh (GUB).

December 22, 2015. Indian Statistical Institute (ISI), Delhi.
    15:30 - 16:30. Lecture on Linear recurrence sequences and Diophantine questions.     screen pdf 15.3 Mo, 105p.   print pdf 15.2 Mo, 27p.

January 5 - February 6, 2016. India
    January 5, 2016. Indian Statistical Institute (ISI), New Delhi.
    January 5 - February 5, The Institute of Mathematical Sciences (IMSc), Chennai.
       Indo-French Conference at IMSc, 11-24 Jan. 2016
           January 15, 11:30-12:30. Lecture on Two invariants related to two conjectures due to Nagata.   screen pdf 10.4 Mo, 180p.   print pdf 5.8 Mo, 24p.
        January 25 - February 4, Winter School for Bhutanese Mathematicians, Chennai Mathematical Institute (CMI).
    February 4, 2016, 15:00. Mathematics Colloquium Department of Mathematics Indian Institute of Technology Madras (IITM), Chennai. Madhava Hall (HSB 357)
       Lecture on Srinivasa Ramanujan, his life and his work.   screen pdf 6.8 Mo, 182p.   print pdf 6.9 Mo, 25p.

15 - 26 février 2016: Nouakchott (Mauritanie)
    Université des Sciences, de Technologie et de Médecine de Nouakchott École de recherche CIMPA-Mauritanie: Algorithmique en Théorie des Nombres et Cryptographie.
        Cours: Arithmétique modulaire, fractions continues, corps finis.     fichier pdf, 605 Ko, 80 p.
        Lundi 15 février 2016, 11:00 - 12:00: Fractions continues, introduction et applications
            fichier pdf, version écran: 5,6 Mo, 145 p.     fichier pdf, version à imprimer: 5,6 Mo, 20 p.
        Lundi 15 février 2016, 14:30 - 16:00: L'équation de Brahmagupta - Fermat - Pell.
        fichier pdf, version écran: 3.3 Mo, 193 p.   fichier pdf, version à imprimer: 3.3 Mo, 21 p.
        mise à jour 2016
        Lundi 22 février 2016, 14:30 - 16:00: La conjecture abc
           fichier pdf, version écran 2,1 Mo, 153 p.   fichier pdf, version à imprimer 2,1 Mo, 25 p.

14 mars - 6 avril 2016. M’bour, Sénégal
    African Institute of Mathematical Sciences. Cours: Équations diophantiennes.

April 8-9, 2016. ICTP (Trieste), Italy
    Annual meeting of the Committee for Developing Countries of EMS.

April 10-16, 2016. Oberwolfach (Germany).
    Diophantische Approximationen. Organisers Yann Bugeaud (Strasbourg), Philipp Habegger (Darmstadt), Umberto Zannier (Pisa).

April 24-27, 2016. Universita degli Studi Roma Tre (Italy)
    April 26, 2016 The second mini symposium of the Roman Number Theory Association. Lecture on Some recent results on Diophantine equations.
        screen pdf: 11.1 Mo, 99 p.     print pdf: 11.1 Mo, 15 p.
    Colloquium lecture: Continued fractions: introduction and applications.
        screen pdf: 5,6 Mo, 145 p.     print pdf: 5,6 Mo, 20 p.
Some Results on Diophantine equations, written by Louis Nantenaina Andrianivo
Continued Fractions: Introduction and Applications, written by Carlo Sanna
    The Scriba Project   -   Proceeding of the second Mini Symposium of the Roman Number Theory Association.

May 9-27, 2016. Phnom Penh (Cambodia)
    Royal University of Phnom Penh (URPP - Université Royale de Phnom Penh).
        Master of Science in Mathematics, Course: Number theory with an introduction to cryptography.
        May 12, seminar lecture : An elementary introduction to error correcting codes.
           powerpoint file (161 p., 3.4 Mo)   pdf file (41 p., 5.5 Mo).
        May 21, Excellence program in Mathematics at RUPP, Lecture on: Some of the most famous open problems in number theory.
            screen pdf: 4.4 Mo, 203 p.     print pdf: 4.3 Mo, 27 p.
    Report in English.

30 mai - 2 juin, 2016. Tipaza (Algérie)
    École de recherche CIMPA École de recherche CIMPA, Théorie des nombres et Applications, 22 mai - 4 juin 2016.
        30 mai, Colloque Journée CIMPA. Exposé: Deux invariants liés à deux conjectures de Nagata.
        screen pdf 10.4 Mo, 170p.   print pdf 10.4 Mo, 26p.

Vendredi 3 juin 2016, Institut Henri Poincaré (Paris)
    Assemblée Générale du CIMPA (Centre International de Mathématiques Pures et Appliquées).

June 13-17, 2016, Marina di San Gregorio, Patù (Lecce), Italy
    Leuca2016

June 26 - July 23, 2016: Nepal
    Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu. Nepal Algebra Project.
    Module - IV : June 26, 2016 – July 08, 2016.

August 1 - 7, Ho Chi Minh Ciy (Vietnam)
    Lattices and application to cryptography and coding theory. Saigon University, CIMPA-ICTP-VIETNAM Research School, August 1st - 12th, 2016.
    Course on Lattices and geometry of numbers. Slides of course 1, course 2, course 3. Exercises.

20-21 août 2016: Grenoble
    UT4M100 Master.

August 31 - September 13, 2016: India
    September 1-8, Harish-Chandra Research Institute (HRI) Allahabad
    Two Days Number Theory Meet (September 6-7, 2016).
       September 6, 10:00 - 11:00. Lecture: An introduction to transcendence methods.
    September 9-11, XVth Annual Conference of Society for Special Functions and their Applications (ICSFA-2016), Department of Applied Sciences and Humanities, Faculty of Engineering and Technology, Jamia Millia Islamia (Central University), New Delhi.
       September 9, R. P. Agarwal Memorial Lecture: Irrationality and transcendence of values of special functions. screen pdf 10.6 Mo, 185p.   print pdf 9.3 Mo, 25p.
       Proceeding of the Fifteenth Annual Conference of the Society for Special Functions and their Applications.
    September 12, Shiv Nadar University (SNU), Department of Mathematics, Greater Noida, New Delhi.
       Lecture on Linear recurrence sequences, exponential polynomials and Diophantine approximation.   screen pdf 15.4 Mo, 100p.   print pdf 15.6 Mo, 14p.

September 16-20, 2016: Barcelona (Spain)
       Department of Applied Mathematics IV, Universitat Politècnica de Catalunya (UPC).
       Monday, September 19, 11:00-12:00. Seminario de teoria de numeros Irrationality and transcendence of values of special functions.

October 31 - November 18, 2016. Myanmar, Thailand.
    November 4-6, 2016: Mandalay, The Republic of the Union of Myanmar
       The Ninth International Conference on Science and Mathematics Education in Developing Countries, Mandalay University.
       Lecture on Continued fractions: introduction and applications.     screen pdf: 1.9 Mo, 147 p.     print pdf: 1.1 Mo, 20 p.
    November 8 - 18, 2016. Thailand.
    November 8 - 14 : Khonkaen University (KKU), Faculty of Science, Department of Mathematics.
       November 8, 15:00-17:00. Lecture on Srinivasa Ramanujan, his life and his work.   screen pdf 2.5 Mo, 182p.   print pdf 1.5 Mo, 25p.
       November 9 and 11, 9:00 - 12:00: course on Algebraic number theory and some diophantine equations.
       November 10, 13:30-15:30. Lecture on Continued fractions: introduction and applications.     screen pdf: 1.9 Mo, 147 p.     print pdf: 1.1 Mo, 20 p.
       November 14, 9:00 - 12:00. Lecture on Linear recurrence sequences, exponential polynomials and Diophantine approximation.     screen pdf 3.1 Mo, 100p.   print pdf 1.8 Mo, 14p.
    November 15 - 16 : Prince of Songkla University, Hat-Yai campus, Faculty of Science, Department of Mathematics.
       November 16, 1:30pm - 2:30 pm and 2:45 pm - 4 pm: lecture on Diophantine equations and Diophantine approximations     screen pdf: 3.2 Mo, 161 p.     print pdf: 1.9 Mo, 23 p.
    November 17 : Mahidol University International College, Applied Mathematics Program, Mathematics Seminar
       14:00 - 15:50, Room 3307. Lecture on the abc conjecture and some of its consequences.     screen pdf: 2.7 Mo, 155 p.     print pdf: 1.5 Mo, 25 p.
       16:00 - 17:00, Room 3307. Lecture on Families of Diophantine equations.     screen pdf 1.9 Mo, 99p.   print pdf 1.3 Mo, 15p.

5-16 décembre 2016: Bénin
    Institut de Mathématiques et de Sciences Physiques (IMSP), Centre d’Excellence Africain en Sciences Mathématiques et Applications, Dangbo.
    Cours: Applications de l'approximation diophantienne aux systèmes dynamiques

January 5-11, 2017: Tokyo (Japan)
    January 7-9: Diophantine Analysis and Related Fields 2017.
       January 7, 10:00 - 11:00. Talk: Parametric geometry of numbers in function fields (joint work with Damien Roy).

January 30, February 9, 2017: Thailand, Myanmar, Singapore
    January 30-31, 2017: Bangkok (Thailand)
       January 30, 14:15 - 16:15, Chulalongkorn University
           Lecture on : Some of the most famous open problems in number theory
           screen pdf: 3.2 Mo, 206 p.     print pdf: 1.7 Mo, 27 p.
       January 31, 15:30 - 16:30, Mahidol University
           Lecture on Transcendental Number Theory: recent results and open problems.
           screen pdf 3.4 Mo, 204p.   print pdf 1.7 Mo, 25p.
    February 1-8, 2017: Mandalay University (Myanmar).
       Six courses on: Fundamentals of Algebra.
       Lecture on An elementary introduction to error correcting codes.     powerpoint file (161 p., 4.3 Mo)   pdf file (44 p., 5.5 Mo).
       Lecture on An elementary introduction to cryptography.     powerpoint file (95 p., 3.6 Mo)   pdf file (24 p., 6.2 Mo).
    February 9, 2017: Singapore.
       National University of Singapore. Seminar topology and geometry; Lecture On a problem of B. Mazur and the density of rational points on Abelian varieties (Abstract).

February 20-22, 2017: Torino (Italie)
    Dipartimento di Matematica "G. Peano". February 21, 15:45, Seminari di Algebra e Geometria Algebrica : Parametric geometry of numbers in function fields (joint work with Damien Roy).

March 7-8, 2017: Stockholm (Sweden).
    'First Network meeting for Sida- and ISP-funded PhD Students in Mathematics’
           Lecture on : Some of the most famous open problems in number theory
           screen pdf: 3.3 Mo, 208 p.     print pdf: 1.8 Mo, 27 p.

March 14-20, 2017. Erbil (Kurdistan Iraq)
    March 15-17, West Asia Mathematical School (WAMS) on Topics in algebraic number theory and Diophantine approximation.
       Lecture on Introduction to Diophantine approximation.
        March 15, 14:00 - 15:30. Introduction to continued fractions screen pdf 1.8 Mo, 139p.   print pdf 1.1 Mo, 19p.
        March 17, 08:00 - 09:30. On the Brahmagupta-Fermat-Pell Equation; continued fractions, transcendence, simultaneous approximation screen pdf 2.4 Mo, 202p.   print pdf 1.1 Mo, 22p.
    March, 18-19: 6th International Conference and Workshop on Basic and Applied Sciences (6th ICOWOBAS), Advisory Board.

April 1-4, 2017: Yangon (Myanmar - Birmanie)
    Meeting Erasmus Mundus Action 2 EMMA (Erasmus Mundus Mobility with Asia) EmmAsia 2014.

April 5-8, 2017: Roma (Italia).
    April 6, 2017. The Third Mini Symposium of the Roman Number Theory Foundation
       9:30 - 10:00. Lecture on Diophantine approximation and power series. screen pdf 1.6 Mo, 84p.   print pdf 1.2 Mo, 16p.
          The scriba project: notes by Stevan Gajović: Diophantine approximations and continued fractions (11 pages).
    April 7-8, 2017: Annual meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

16 - 22 avril 2017 - Abidjan (Côte d’Ivoire)
    CIMPA-ICTP-IVORY COAST - Research School co-sponsored with ICTP - Abidjan, April 10-22
    Théorie Algébrique des Nombres et Applications notamment en Cryptographie. Course: Introduction to topics of algebraic number theory related to cryptography. (notes on Finite Fields).

April 29 - May 13, 2017. Katmandou (Népal)
    Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu.
    Nepal Algebra Project.

16-18 mai 2017: Brussels - Bruxelles (Belgique)

May 28 - June 9, 2017: Nesin Mathematics Village, Şirince (Turquie)
    CIMPA-ICTP-TURKEY - Research School co-sponsored with ICTP - Sirince, May 29 - June 9
    Artin L-functions, Artin’s primitive roots conjecture and applications. Course on an introduction to the Riemann zeta function.
    References (29 p.).
    Slides: screen pdf: 840 Ko, 192 p.     print pdf: 641 Ko, 19 p.
    Exercises (1p).

23 juin 2017: Université Paris 1 Panthéon-Sorbonne, Paris
    Colloque : “Les études nord-coréennes en France”.

June 30, 2017 Institut Henri Poincaré (IHP), Paris
    Assemblée Générale du CIMPA (Centre International de Mathématiques Pures et Appliquées).

Lundi 3 - vendredi 7 juillet 2017: Caen
    Journées Arithmétiques JA 2017.

Mardi 11 juillet 2017: Lyon
    Réunion du comité scientifique de l’Institut Camille Jordan

July 17-25, Manila (Philippines).
    Institute of Mathematics of the University of the Philippines, Diliman, Quezon City, Metro Manila.
    SEAMS School : Topics on elliptic curves. Course: Basic theory of elliptic curves.

18-19 août 2017: Grenoble
    UT4M100 Master.

September 2-15, 2017: India
    September 4-7, 2017: Harish-Chandra Research Institute (HRI), Allahabad. International Conference on class groups of number fields and related topics.
        Monday, September 4, 2017, 10:00-11:00. Keynote talk Families of Thue equations associated with a rank one subgroup of the unit group of a number field.
    September 10-14, 2017. New-Delhi, Theoretical Statistics and Mathematics Unit, Indian Statistical Institute (ISI).
        September 13, 2017, 3:30 PM at Room 23, Academic Block: Seminar at SMU Delhi, Lecture on Representation of positive integers by binary cyclotomic forms.

September 26-20, 2017: Moscou (Russie)
    Lomonosov Moscow State University, Faculty of Mechanics and Mathematics, Department Theory of Numbers.
       Wednesday, September 27, 2017, 18:30: lecture on Parametric geometry of numbers in function fields.

3-6 octobre 2017: Brussels - Bruxelles (Belgique)

October 12-15, 2017: Marina di San Gregorio, Patù, Lecce (Italie)
    Analysis and Dynamics. Conference in occasion of Luigi Chierchia's 60' Birthday.

November 6, 2017: Science Faculty, Mahidol University (Phrayathai campus), Bangkok (Thailand)
    Lecture on Representation of positive integers by binary cyclotomic forms.

November 10-12, 2017: Mandalay (Myanmar)
    The Tenth International Conference on Science and Mathematics Education in Developing Countries.
       Plenary lecture on Linear recurrence sequences: an introduction. screen pdf 3.5 Mo, 162p.   print pdf 2.7 Mo, 23p.

November 20 - December 7 and December 11 - 20, 2017: School of Mathematics, Tata Institute of Fundamental Research, Mumbai (India). IRSES Project Moduli
    November 24, 2017. Indian Institute of Science, Education and Research IISER (Pune). Colloquium Lecture on the abc conjecture and some of its consequences.
        screen pdf: 5.5 Mo, 195 p.     print pdf: 2.1 Mo, 30 p.
    December 1, 2017. Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat. Lecture on Euler constant.
        pdf file, screen version: 5. Mo, 128 p.     pdf file, print version: 1.3 Mo, 22 p.
    December 7, 2017. Department of Mathematics, Ramakrishna Mission Vivekananda University (RKMVU), Belur Math, Howrah, Kolkata (India).
       Lecture on Representation of integers by binary cyclotomic forms.
    December 8-10, 2017: Dhaka (Bangladesh)
        The 20th international Mathematics Conference 2017 (Department of Mathematics, University of Dhaka) under the slogan Bridging South Asian Mathematicians.
        Lecture on Some of the most famous open problems in number theory.
        screen pdf: 5.8 Mo, 214 p.     print pdf: 1.8 Mo, 28 p.
    December 12 - 13, 2017. New Delhi.
       Final Conference - Indo-European Project MODULI. Indian National Science Academy (INSA), New Delhi,
    December 14, 2017. Thursday Colloquium Mathematics TIFR; talk on Two invariants related to two conjectures due to Nagata.
        screen pdf 10.4 Mo, 170p.   print pdf 10.4 Mo, 26p.

January 6 - 8, 2018, La Trobe University Bundoora Campus, Melbourne (Australie)
    Workshop Diophantine approximation and dynamical systems,
    Lecture on Two applications of Diophantine approximation to dynamical systems.     screen pdf: 3.4 Mo, 119 p.     print pdf: 1.2 Mo, 15 p.     Open problems.

January 17 - 27, 2018. South Africa. IRN (International Research Network) GandA (Geometry and Arithmetic)
    January 18 - 21, Johannesburg: The University of Witwatersrand.
       CIMPA Research School Explicit Number Theory
    January 21 - 26, Cape Town: AIMS and Stellenbosch University.
       22 January 2018: Stellenbosch Number Theory Day. Lecture on Representation of positive integers by binary cyclotomic forms.
    Report in English.

February 27 - March 9, 2018. African Institute of Mathematical Studies (AIMS), Ghana.
    Course on “The theory of linear forms in logarithms and its applications” (Yann Bugeaud teaches the first part from Feb.19 to 27)

Mardi 20 mars 2018, Institut Henri Poincaré – Amphi Hermite, 11, rue Pierre et Marie Curie 75005 PARIS
    Special day in honor of Paulo Ribenboim On the occasion of his 90th birthday.

April 5-7, 2018: Sigtuna (Sweden)
    Annual meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 17-21, 2018: Roma (Italie)
    The 4th Mini Symposium of the Roman Number Theory Association
    Lecture on Representation of integers by cyclotomic binary forms.
        pdf file, screen version: 2.3 Mo, 92 p.     pdf file, print version: 679 Ko, 12 p.
       Text for the proceedings, 11p.

10 - 17 mai, 2018. Kinshasa, République Démocratique du Congo (RDC)
    École de recherche CIMPA Arithmétique algorithmique et cryptographie (l'école est du 7 au 18 mai 2018).
    Théorie algébrique des nombres et corps finis en lien avec la théorie des codes correcteurs d'erreurs.
    (notes on Finite Fields - en anglais).

May 25 - June 15, 2018: Kathmandu (Nepal)
    Central Department of Mathematics, Tribhuvan University TU, Kirtipur, Kathmandu. Nepal Algebra Project.
    Module - III : June 3 - 15, 2018.
    Report (in English).

Vendredi 29 juin 2018, Paris
    Assemblée Générale du CIMPA.

July 9 - 13, 2018. Québec (Canada).
    15th Meeting of the Canadian Number Theory Association (CNTA XV). Université Laval.
    July 9, 2018, 10:15 - 10:45. Lecture: Generalization of the Landau--Ramanujan constant for sums of two squares to other binary forms
        pdf file, screen version: 2.2 Mo, 79 p.     pdf file, print version: 791 Ko, 12 p.

August 1 - 9, 2018: Rio de Janeiro (Brazil)
    International Congress of Mathematicians (ICM 2018), I Rio Centro Convention Center Sulamerica, Maracanazinho.

25 août 2018: Grenoble
    UT4M 40 Belledonne.

August 30 - September 5, 2018: Sanmenxia, Henan, China.
    September 3, The 9th Expert Scientific Research Meeting of the Sanmenxia Suda Energy Conservation & New Energy Technology Research Institute, Suda Neu-Tech Institute.
    Lecture on A basic introduction to some tools from complex analysis.
        pdf file, screen version: 3.9 Mo, 117 p.     pdf file, print version: 1,9 Mo, 18 p.
    Weinan Gaoxin Middle school. Talk on Some contributions to number theory by Chinese Mathematicians.
        pdf file, screen version: 2 Mo, 36 p.     pdf file, print version: 1.4 Mo, 6 p.

Lundi 10 - vendredi 14 Septembre 2018. CIRM, Luminy, France
    Approximation diophantienne et transcendance.

October 1 - 13, 2018. New Delhi, Allahabad (India)
    October 2 - 7: Indian Statistical Institute (ISI) et Jawaharlal Nehru University (JNU), Delhi.
        October 3, 3:30pm (ISI Delhi), October 4, 4pm (JNU), October 5, 3:30pm (ISI Delhi): three lectures on the unity of mathematics: examples from transcendental number theory.
        Video on YouTube of the first,; second and third courses.
    October 8 - 11: Harish-Chandra Research Institute (HRI), Allahabad. International conference on class groups of number fields and related topics ICCGNFRT 2018.
        October 8, Keynote talk: On the Landau--Ramanujan constant     pdf file, screen version: 3.3 Mo, 130 p.     pdf file, print version: 985 Ko, 18 p.
    Rapport de mission: 2 pages.

October 29 - November 9, 2018: Vientiane (Laos)
    October 31 - November 4: The 11th International Conference on Mathematics and Mathematics Education in Developing Countries
    October 31, preconference workshop: introduction to cryptography and error correcting codes.
    November 2, Keynote address : the unity of mathematics - examples from transcendental number theory. screen pdf 4.1 Mo, 147p.   print pdf 1.4 Mo, 20p.

November 20 - December 15, 2018: India
    November 22 - 24: 17th Annual Meeting of SSFA - International Conference on Special Functions & Applications (ICSFA-2018),
       Amal Jyothi College on Engineering, Kanjirapalli, Kottayam (Kerala).
       Lecture on Linear recurrence sequences: an introduction. screen pdf 5.1 Mo, 139p.   print pdf 2.7 Mo, 23p.
    November 24 - 27: The Institute of Mathematical Sciences (IMSc), Chennai.
    November 27 - 29: Department of Mathematics, Ramakrishna Mission Vivekananda University (RKMVU), Belur Math, Howrah, Kolkata (India).
       Lecture on Nov. 27, 2018: On the Landau--Ramanujan constant pdf file, screen version: 3.4 Mo, 130 p.   pdf file, print version: 1.1 Mo, 18 p.
    November 30 - December 5: Workshop on Number Theory, National Institute of Science Education and Research (NISER), Bhubaneswar.
       Series of lectures on Transcendence on commutative algebraic groups; Nov. 30, 11:30 - 13:00 and 16:30 - 17:30. Dec. 1, 9:30 - 11:00. Dec. 3, 9:30 - 11:00 and 14:30 - 16:00.
       ref: Nombres transcendants et groupes algébriques. (full text) 64,2 Mo. Astérisque, 69--70. Société Mathématique de France, Paris, 1979. 218 pp. Second edition 1987.
    December 6 - 9, 2018. Indian Institute of Science Education and Research (IISER) Berhampur
       Three lectures on A historical introduction to Thue-Siegel-Roth Theorem; 6th December 3:30 pm to 4:30 pm. 7th December 11:30 am to 12:30 pm. 8th December 11:30 am to 12:30 pm.
        Notes of the three courses (updated December 8, 2018)
           See also the notes: An introduction to Diophantine methods (94 pages).
       Institute Colloquium: An introduction to error correcting codes on 7th December 3:00 pm to 4:30 pm.
        powerpoint file (158 p., 2.3 Mo)   pdf file screen (158 p., 2.2 Mo),   pdf file print (40 p., 2.2 Mo).
    December 10 - 14, 2018. The Kerala School of Mathematics (KSoM), Kozhikode, Kerala. International Conference on Number Theory. Dec. 10: Lecture On the arithmetic complexity of a polynomial.
    December 14, 2018, K J Somaiya College of Engineering (Mumbai). Guest lecture A lucid introduction to error correcting codes.
        powerpoint file (158 p., 2.3 Mo)   pdf file screen (158 p., 2.2 Mo),   pdf file print (40 p., 2.2 Mo).
        recording by the team shutterbug, the official student's photography team of KJSCE and recording from Aview software, which was used to telecast the talk worldwide.

January 7 - 25, 2019: Ethiopia.
    Tuesday, January 8, 2019. Addis Ababa University, College of Science, Department of Mathematics.
    January 9 - 24, Arba Minch University. Course of commutative algebra. CIMPA Support for Training in Research.
       Friday, January 11, 2019, workshop/séminaire sur les applications de la topologie/algèbre. Exposé Topology and Diophantine approximation.
       Wednesday, January 23, 2019, workshop Arba Minch University. Continued fractions: an introduction.
           screen pdf: 3.7 Mo, 147 p.   print pdf: 1.1 Mo, 20 p.

February 2 - 10, 2019: Kurdistan Region, Iraq.
    February 3 - 5, 2019: The second international conference of mathematics in Erbil (SICME 2019), College of Science, Salahaddin University, Erbil.
       Opening ceremony, February 3: International cooperation in mathematics: some examples, including CIMPA, ICTP, IHÉS, IMU, EMS, RNTA. pdf file : 1,4 Mo, 10 p.
       Roman Number Theory Foundation pdf file 10,8 Mo 20 p.
    February 7 - 9, 2019: Representation Theory. College of Science, University of Sulaimani, Sulaymaniyah. CIMPA West Asian Mathematical School.
       February 8th and 9th, 2019. Course Introduction to Galois Theory (two courses of 1:40'). screen pdf: 4,2 Mo, 85 p.   print pdf: 1,1 Mo, 15 p.
    Report by Francesco Pappalardi.

Lundi 18 février 2019. Université de Louvain la Neuve (Belgique)
    Institut de recherche en mathématique et physique, Séminaire Fondements et notions fondamentales. Les débuts de la théorie des nombres transcendants.
        fichier pdf, version écran: 4,2 Mo, 52 p.     fichier pdf, version à imprimer: 3,2 Mo, 11 p.

February 27 - 28, 2019: Berlin.
    Meeting of the Commission for Developing Countries of the International Mathematical Union.

Vendredi 15 mars 2019: UNESCO, Paris
    Maths Day for Development.

April 4 - 6, 2019: Oxford.
    Annual meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 9 - 12, 2019: Roma
    The Fifth Mini Symposium of the Roman Number Theory Association (RNTA), Università Roma Tre.

May 9 - 12, 2019: Sanmenxia, Henan, China.
    10/05/2019: 2019 International seminars on Number Theory and Its Application. Weinan Normal University.
    11/05/2019 - 2019 New Energy Automobile Industry Development Forum - Innovation driven, green driving. Suda Neu-Tech Institute.
        Talk: Ariane 5, arithmetic overflow, exact rounding and Diophantine approximation.   1 Mo, 10 p.

Jeudi 16 mai 2019: Lyon
    Réunion du comité scientifique de l’Institut Camille Jordan

May 20 - June 5, 2019: Népal
    Tribhuvan University, Institute of Science and Technology, Central Department of Mathematics, Kirtipur. Népal Algebra Project NAP, module 2.
    Lecture 8, June 3, 2019: historical introduction to Galois Theory.

June 09 - 13, 2019: Moscow.
    Conference "Transcendence and Diophantine Problems", June 10 - 14, Moscow, 2019. In memory of Professor Naum Ilyitch Feldman (1918 - 1994).
    Lecture on Integer valued entire functions and Lidstone series.

June 17 - 23, 2019 : Abha. Saudi Arabia
    King Khalid University, Wams school on Introductory topics in Number Theory and Differential Geometry.
       Course: Introduction to Diophantine Equations. pdf file, 6 pages.
       Elliptic binomial Diophantine equations. Slides, 6 pages.
    Report on the Wams school on Introductory topics in Number Theory and Differential Geometry with a course on Dynamical Systems. King Khalid University, Abha. Saudi Arabia, June 16th- 23rd, 2019.

Vendredi 28 juin 2019, Paris.
    Assemblée Générale du CIMPA.

June 30 - July 10, 2019: Turquie
    July 1 - 5, 2019: 31th meeting of the Journées Arithmétiques, Faculty of Science, Istanbul University, Istanbul.
        Compte-rendu de la rencontre d’une délégation de mathématiciens avec le consul général de France à Istanbul le 2 juillet 2019.
    July 6 - 8, 2019: Friendly workshop on Diophantine Equations and related problems (workshop FWDERP2019), Bursa Uludag University, Bursa.
       Problem session (edited by Alain Togbé): Quest for bounds for the solutions of families of Thue equations, with Claude Levesque.

13, 15, 17 août 2019: Alpe d'Huez Challenge 3323 - Friends of the International Mathematical Union "RunForGRAID"
    13 août 2019 Grimpée du Signal, Longueur : 800 mètres, Dénivelée : 250 m D+.
    15 août 2019 Alpe d’Huez 21, Distance : 13km600. Dénivelée : 1110 m D+.
    17 août 2019 Pic de l’Alpe, Distance: 13km500. Dénivelée : 1510 m D+.

Dimanche 15 Septembre 2019 Saint Nabord
    L'infernal trail des Vosges. Distance : 33 km. Dénivelée : 1200 m D+. - Friends of the International Mathematical Union "RunForGRAID"

October 1-4, 2019. Tabriz, Iran
    International conference on commutative Algebra and its Interactions with Algebraic Geometry, in Honor of 60th Birthday of Prof. Siamak Yassemi, University of Tabriz, Marand Technical College, Iran.
    Lecture on Two invariants related to two conjectures due to Nagata.     screen pdf 4.6 Mo, 163p.   print pdf 1.5 Mo, 25p.

October 16 - 19, 2019. Allahabad, India
    Harish-Chandra Research Institute (HRI), Allahabad. International conference on class groups of number fields and related topics ICCGNFRT 2019.
    Lecture On the representation of integers by cyclotomic binary forms of large degree.

October 21 - 23, 2019: Bikaner, Rajasthan, India
    International Conference on Special Functions & Applications (ICSFA-2019). Department of Mathematics, University College of Engineering and Technology.
    Lecture on Lidstone series, generalisations and arithmetic applications.     screen pdf 764 Ko, 131p.   print pdf 792 Ko, 15p.

November 1 - 3, 2019: Vientiane, Laos.
    The 12th International Conference on Mathematics and Mathematics Education in Developing Countries, National University of Laos NUOL.
    November 2, Lecture on Integer valued entire functions.     screen pdf 2.3 Mo, 171p.     print pdf 1.1 Mo, 17p.
    November 3, Panel discussion Strengthening Math and Math Education in Developing Countries.     screen pdf 2.5 Mo, 32p.     print pdf 2.1 Mo, 8p.

Vendredi 15 novembre 2019. Institut de Mathématiques de Bordeaux.
    Journée en l'honneur de Jacques Martinet.

December 6 - 8, 2019, Dhaka (Bangladesh)
    The 21th international Mathematics Conference 2019.
    Lecture on Interpolation of analytic functions and arithmetic applications.     screen pdf 958 Ko, 136p.   print pdf 1.2 Mo, 15p.

December 9 - 17, 2019: Bhubaneswar, Orissa, India.
    National Institute of Science Education and Research (NISER), School of Mathematical Sciences.
       December 9 - 15: Lecture series on Transcendence on Commutative Algebraic Groups.
    Friday, December 13: Institute of Mathematics & Applications, Bhubaneswar.
       Lecture on The square root of 2, the Golden ratio and the Fibonacci sequence.     pdf 7.3 Mo, 125p.
    December 14 - 15. Indian Institute of Science Education and Research (IISER) Berhampur.
       Saturday, December 14: Public lecture on The square root of 2, the Golden ratio and the Fibonacci sequence.     print pdf 4.5 Mo, 89p.

13 - 20 janvier 2020, Mali.
    14 - 19 janvier, visite de Nioro du Sahel dans le cadre du Comité de Jumelage MALI (COJUMALI) de Limours - Les Molières avec Nioro du Sahel et Fegui.
    20 janvier, Bamako. Visite à la Faculté des Sciences et Techniques (FAST) de l'Université des Sciences, des Techniques et des Technologies de Bamako (USTTB).
    Rapport de mission.

February 17 - 28, 2020. Yogyakarta, Indonesia
    CIMPA research school Group Actions in Arithmetic and Geometry. Course : "Finite fields and number theory" with Francesco Pappalardi.
    Notes on finite fields, 76 pages.
    Tutorial session, February 26, 2020 (1p).     Solution (5p).
    Linear recurrence sequences. screen pdf (12p).     print pdf (90p).

Thursday, May 7, 2020, 10am:30 CEST
    Coimbatore SNS College of Technology, webinar: The square root of 2, the Golden Ratio and the Fibonacci sequence. print pdf 4.5 Mo, 89p.

Tuesday, May 12, 2020, 10am CEST, 4pm China Standard Time, 6pm AEDT, 8pm NZST.
    Number Theory Web Seminar: Representation of integers by cyclotomic binary forms. 43p., 3.6 Mo
    Link to recording and slides

June 22, 2020, 8 am CEST
    Department of Mathematics & Computer Science, Babu Banarasi Das University, Lucknow (India). Popular Mathematics Lecture Series - webinar: The square root of 2, the Golden Ratio and the Fibonacci sequence. pdf 4.5 Mo, 89p. Available on YouTube.

July 18-21, 2020
    Kurdish Mathematics School. College of Science, Salahaddin University, Erbil (Kurdistan Region, Iraq).
    Lecture on The square root of 2, the Golden Ratio and the Fibonacci sequence. pdf 4.5 Mo, 89p.
    Link to the video on YouTube

July 23, 2020
    International Web Conference on "Mathematics for Signals, Images, and Structured Data" - ICMMSIS'20, Department of Mathematics, Bannari Amman Institute of Technology, Sathyamangalam, Erode, Tamilnadu, India. Google Meet
    Keynote lecture On the Brahmagupta-Fermat-Pell Equation. print pdf: 2.3 Mo, 86 p.
        Link to the video on You Tube.

Monday, September 21, 2020 and Monday, September 28, 2020, 11:30 am IST, 8 am CEST. Indian Institute of Science Education and Research IISER. Project Spiral. Mathematics Online Seminar Series MOSS 2020.
    Two Google meet webinars on linear recurrence sequences.
    Part I, September 21. Link to the video.
    Part II, September 28. Link to the video.

Friday, October 9, 2020, 10:30 (Rio de Janeiro's time, 15:30 CEST). Interview for the seminar Geometry, Arithmetic and Differential Equations of Periods (GADEPs). The video is available on You Tube.

October 12, 2020. Upstate New York Online Number Theory Colloquium. 12 noon EST (New York time), 6 pm CEST (Paris Time)
    Some variants of Seshadri's constant. slides pdf 14.4 Mo, 104p. Link to the video.

December 7-10, Nice, online teaching CIMPA Course.
    Recording the courses on Interpolation (for Mumbai Ramnarain Ruia Autonomous College, January 4-8, 2021).
       pdf files: course 1, 1.6 Mo, 48 pages, course 2, 406 Ko, 49 pages, course 3, 934 Ko, 50 pages, course 4, 1.6 Mo, 65 pages.

December 11 - 14, 2020, Cochin (India) Web conference using Google Meet
    International Conference on Number theory and Discrete Mathematics. Organized by the Ramanujan Mathematical Society (RMS) and hosted by the Rajagiri School of Engineering & Technology (RSET), Kakkanad.
    Lecture on On some families of binary forms and the integers they represent. Monday, December 14, 12:00 IST = 7:30 am CST.     pdf slides.

December 16, 2020. 12:30 pm to 1:30 IST = 8 am CET. Department of Mathematics, KPR Institute of Engineering and Technology, Coimbatore, India.
    International webinar in association with Pie Mathematics Association. Lecture on Srinivasa Ramanujan His life and his work.    pdf slides. link to the video.

December 18, 2020 to December 22, 2020. KERALA SCHOOL OF MATHEMATICS (Online)
    Recent advances in Mathematics and related areas 2020; International conference commemorating Srinivasa Ramanujan.
    Lecture on Integer valued entire functions. December 18, 20:00 IST = 15:30 CST.     pdf slides     You Tube link.

December 29, 2020. 12:30 pm IST = 8 am CET. St Aloysius College, Edathua, Kerala, India.
    Webinar Series by Department of Mathematics, SAC.
    Lecture on Srinivasa Ramanujan His life and his work.     pdf slides.     Link to the video on You Tube

January 6-9, 2021. The 2021 Joint Mathematics Meetings (JMM) will take place virtually.
    2021 Prizes and Awards.

January 18-21, 2021. Mumbai (India), Online course CIMPA.
    Mumbai Ramnarain Ruia Autonomous College, under the GIAN scheme of MHRD, UM-DAE Centre for Excellence in Basic Sciences (CEBS). A course on Interpolation.
       pdf files: course 1, 1.6 Mo, 48 pages, course 2, 406 Ko, 49 pages, course 3, 934 Ko, 50 pages, course 4, 1.6 Mo, 65 pages.
       Link to the videos on You Tube
       Exercices Sheet 1,  Corrections.  Sheet 2,  Corrections.  Sheet 3,  Corrections.  Sheet 4,  Corrections. 

January 25 - 28, 2021. Limbe (Cameroun) - online
    A course on linear recurrent sequences at the African Institute for Mathematical Sciences (AIMS) Cameroon.
       1. The square root of 2, the Golden ratio and the Fibonacci sequence.   Link to the video.
       2. Linear recurrence sequences. Part I, examples.   Link to the video.
       3. Linear recurrence sequences. Part II, the theory.   Link to the video.
       4. On the Brahmagupta-Fermat-Pell Equation.   Link to the video.
       Quizz 1. Quizz 2. Tutorial 1, January 26, 2021. Tutorial 2, January 28, 2021. Assignment. Tutorial 3.

19 February 2021, Friday, 3:00pm (GMT+8) University of the Philippines Diliman, College of Science, Institute of Mathematics.
    I-Math Webinar dedicated to the 60th birthday of Chancellor Fidel R. Nemenzo (organized by the Coding and Number Theory Academic Group).
    Talk: With Fidel, from Phnom Penh to Diliman: some personal reminiscences.

25 February 2021, Department of Mathematics, University of Kerala, Thiruvananthapuram, India.
    International Webinar on Mathematical Analysis and their Applications from 22 to 26 February 2021. Lecture on Irrationality and transcendence of values of special functions.

March 14, 2021. Dhaka.
    International Day of Mathematics IDM, Bangladesh Mathematical Society. Opening ceremony, slides, pdf file 14p.

From Friday, March 12, 2021 to Thursday, March 18, 2021. IMSc Chennai, India.
    Balu Fest : Online conference at IMSC Chennai on Analytic and Combinatorial number theory in honour of Professor R. Balasubramanian's 70th Birthday.
    March 15, 2021, Felicitations Balu.
    March 17, 2021, Lecture on Schanuel's Conjecture: algebraic independence of transcendental numbers.   Link to the video on the MathScience channel.

April 3 - 4, 2021, Lille (online)
    Meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 12 - 23, 2021: Hanoi (Vietnam) (online)
    CIMPA School on Functional Equations: Theory, Practice and Interaction.
    Introduction to transcendental number theory Content, with links to the videos; pdf file 2p.
    Courses 1 - 5, pdf file 33p.
    Course 6, slides pdf file 52p.
    Course 7, slides pdf file 116p.
    Course 8, slides pdf file (expanded version, 132 pages vs 87 pages).
    Exercises with solutions pdf file (17 pages).

Du 7 au 12 juin 2021, réunion d'été du 75ème anniversaire de la Société Mathématique du Canada (en ligne).
    Amicale de théorie des nombres en hommage à Robert Langlands.
    Exposé le mercredi 9 juin : interpolation de fonctions en un nombre fini de points avec certaines dérivées.

15-18 juillet 2021. UT4M Challenge 80. Running for GRAID.
    - Jeudi 15 juillet 2021 UT4M Vercors 4:33' pour 20km et 1834 D+, 378ème sur 409 au départ.
    - Vendredi 16 juillet 2021 UT4M Taillefer 8:25' pour 24,5km et 1659 D+, 373ème
    - Samedi 17 juillet 2021 UT4M Belledonne 5:54 pour 20,3 km et 1987 D+, 367ème
    - Dimanche 18 juillet 2021 UT4M Chartreuse 4:45 pour 18,7 km et 1053 D+, 361 ème
    Résultats: 23:38' pour 83,5 km et 6533 D+

8-15 août 2021, Alpe d’Huez Challenge Cécile NARCY Running for GRAID.
    – Dimanche 8 août 2021 Pic de l’Alpe 13,8km, 1510 D+
    – Mercredi 11 août 2021 Grimpée du Signal 3km, 1000 D+
    – Samedi 14 août 2021 Alpe Express 3,5km, 1000 D+
    – Dimanche 15 août 2021 Alpe d’Huez 21 14,10km, 1140 D+

September 21, 2021, Faisalabad (Pakistan - on line) 11:00 AM-- 12 AM (Pakistan Standard Time)
    Department of Mathematics, Government College Women University Faisalabad
    Lecture on The square root of 2, the Golden Ratio and the Fibonacci sequence.

October 8, 2021, History of Indo-French Scientific Partnership
    Indo-French Cooperation in Mathematics. 66p, 14,2 Mo.

October 21-24, 2021, Kerala School of Mathematics (KSoM), Inde
    International Conference on Class Groups of Number Fields and Related Topics-2021 ICCGNFRT-2021
    A conference celebrating Michel Waldschmidt's 75th birth year honoring his contribution to Mathematics and Education

October 23, 2021, Lille
    Meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

November 8 - 20, 2021. Limbe (Cameroun)
    A course on number theory at the African Institute for Mathematical Sciences (AIMS).
    Quizz 1 with solution (12/11/2021). Quizz 2 with solution (18/11/2021). Quizz 3 with solution (19/11/2021). Assignment 1 with solution, Assignment 2 with solution. Slides of the fifth course on linear recurrent sequences, 13/11/2021.
    November 15, 2021. Talk on International cooperation in mathematics: some examples, including CIMPA, EMS - CDC, IMU - CDC, ICTP, TWAS, OWSD, Simons Foundation, ISP, RNTA, APSA, SARIMA, AFRIMath.

December 4-7, 2021, Aurangabad, Maharashtra, India
    Mahatma Gandhi Mission University. The 87th Annual Conference of the Indian Mathematical Society.
       The conference will be held in the virtual mode only. The program and the links for attending the conference are here.
          December 4, 2021, 14.00 – 15.00 (UTC+5:30). Lecture on Multivariate Lidstone interpolation. The video is available at this link on the YouTube website of MGM University.

Decembre 10-11, 2021, Dhaka (online)
    22nd International Mathematics Conference-2021 of the Bangladesh Mathematical Society. Mathematics for a better world.
    Saturday, December 11 2021, 19:10 local time (UTC +6). Keynote Talk on : Lidstone interpolation in one and several variables.

November 30 - December 15, 2021. Chennai (India)
    A course on Lidstone interpolation at The Institute of Mathematical Sciences (IMSc).
       All lectures were in hybrid mode. Local time (UTC+5:30)
          Lecture 1: Friday, December 10 2021 15:30 - 16:45  link to the video
          Lecture 2: Saturday, December 11 2021 15:30 - 16:45  link to the video
          Lecture 3: Monday, December 13 2021 11:30 - 12:45  link to the video
          Lecture 4: Tuesday, December 14 2021 15:30 - 16:45  link to the video

Decembre 22-23, 2021, Department of Mathematics, University of Kerala (online)
    ICSFA-2021 (International Conference on Special Functions and Applications) and 20th Annual meeting of the Society for Special functions and their Applications. Decembre 22, lecture on Lidstone expansion in several variables.

January 18, 2022, 6:00pm (Beirut time). American University of Beirut (online)
    The Number Theory Research Unit (NTRU) at the Center for Advanced Mathematical Sciences (CAMS), Series of Public Lectures on Number Theory. Title: Transcendental Number Theory: recent results and open problems..

January 31 - February 02, 2022, Online conference «DAYS of TRANSCENDENCE» in occasion of Professor Yuri Nesterenko's 75th birthday.
    Tuesday, February 1, 2022, 11:45-12:15 UTC+3: On sets of linear forms of maximal complexity, joint work with Michael Kaminski and Igor E. Shparlinski.

Jeudi 3 février 2022, Séminaire de théorie des nombres de Nancy-Metz
    14:30 - 15:30 exposé: Ensembles de formes linéaires de complexité maximale d'après un travail en commun avec Michael Kaminski et Igor E. Shparlinski.

February 13-20, 2022. Pakistan.
    February 13-18, 2022. Lahore University of the Punjab (PU), Department of Mathematics - National Mathematical Society of Pakistan. PU-NMS International Schools Series for Students and Faculty
    From Monday, February 14, 2022 to Friday, February 18, 2022, 11:30 am – 1:00 pm. Five courses on Interpolation.
    Thursday, February 17, 2022, 4:00 pm – 5:30 pm Lahore College for Women University (LCWU), Lahore. Lecture on Linear recurrence sequences.
    Saturday, February 19, 2022, Government College University, Faisalabad (GCUF). Department of Mathematics, 1st International Conference on Pure and Applied Mathematics. Lecture: Is the Euler constant a rational number, an algebraic irrational number or else a transcendental number?
    Report in English, 3 pages.

February 25, 2022. Roma, Italy. Thesis defence of Tako Boris Fouotsa: “On the design and cryptanalysis of isogeny-based public key encryption schemes”.

16 - 18 mars 2022, Institut Henri Poincaré (Paris), 150ème anniversaire de la SMF.

March 29 - 30, 2022, online meeting of the Commission for Developing Countries of the International Mathematical Union.

March 31 - April 2, 2022. Edinburgh (UK)
    International Centre for Mathematical Sciences (ICMS)
    Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

April 9, 2022. Monthly talks of the Iranian Mathematical Society (Online). Lecture: Is the Euler constant a rational number, an algebraic irrational number or else a transcendental number?

11 - 15 avril 2022, Institut Henri Poincaré (Paris), Périodes, motifs et équations différentielles : entre arithmétique et géométrie, à l'occasion des 60 ans d'Yves André.

Mercredi 20 avril 2022, 14h. Lycée Jean-Baptiste Corot, Savigny sur Orge. Exposé sur le nombre pi.

April 17-23, 2022. Mathematisches Forschungsinsitut Oberwolfach (Germany)
    Workshop Diophantische Approximationen (Online).

May 16-21, 2022, Marina di San Gregorio, Patù (Lecce), Italy
    CDM 210 Leuca2022 - Celebrating Claude Levesque's, Damien Roy's and Michel Waldschmidt's birthdays.

May 23-25, 2022, Università di Pisa (Italy)
    La grandezza dei punti piccoli, Celebrating Francesco Amoroso's 60th birthday. Lecture on Integer matrices with maximal additive complexity.

Dimanche 5 juin 2022, Ultra Trail Tour de Nancy (UTTN 31 Mirabelle).

Mardi 7 juin 2022, exposé au Séminaire différentiel, centre de recherche Inria de Saclay. Exposé: Interpolation de Lidstone en une et plusieurs variables.

Jeudi 9 juin 2022, Université de Picardie Jules Verne, Amiens. Assemblée générale de la SMF.

12 - 24 juin 2022, Institut de Mathématiques et de Sciences Physiques (IMSP), Dangbo, Benin.
    École de recherche du CIMPA : Algèbre, arithmétique et applications. Cours: Approximation diophantienne. References.

3-10 juillet 2022, N'Djaména (Tchad)
    Université de N'Djaména, Faculté des Sciences Exactes et Appliquées, Département de Mathématiques, Laboratoire de Modélisation, Mathématiques, Informatique, Applications et Simulation (L2MIAS). Séminaire sur les “Groupes et Courbes Algébriques” et “Fonctions Elliptiques”. Cours Introduction aux fonctions elliptiques.
    Vendredi 8 juillet, exposé: Introduction à la théorie des nombres transcendants.

Du mercredi 6 au jeudi 14 juillet 2022: International Congress of Mathematicians (ICM) 2022 (en ligne).

August 15 - 26 , 2022. African Institute for Mathematical Sciences (AIMS), M'Bour, Senegal
    CIMPA Research School on cryptography, theoretical and computational aspects of number theory.
    Course: Elementary approach to elliptic curves.
    Exercises.

September 9, 2022. University of Debrecen, Number Theory Research Group.
    Online Number Theory Seminar. Lecture: On the number of integers represented by families of binary forms, joint work with Etienne Fouvry.

September 11 - 13, 2022, Roma (Italy).
    September 12, Thesis defence of Andam Ali Mustafa.

September 21 - 23, 2022, Torino (Italy).
    21 settembre 2022 dalle 16:00 alle 18:00, Politecnico di Torino, Aula Buzano (DISMA). Cooperazione Matematica in Sud Sudan. Lecture on International cooperation in mathematics: some examples, including CIMPA, EMS - CDC, IMU - CDC, ICTP, TWAS, OWSD, Simons Foundation, ISP, RNTA, SEAMS, EMALCA, APSA, SARIMA, AFRIMath.
    Thursday, September 22, 9:30, Politecnico di Torino: lecture on Two invariants related to two conjectures due to Nagata.
    September 22 - 23, Number Theory Meeting - Torino.

October 13 - 17, 2022, Nesin Mathematics Village (Nesin Matematik Köyü), Şirince (Turkey).
    Meeting of the Committee for the Developing Countries (CDC) of the European Mathematical Society (EMS)

Octobre 26 - 29, 2022, Fez (Morocco).
    International Conference in Algebra, Number Theory and Their Applications (In Honor of Professors ‪István Gaál and Claude Levesque), Faculty of Sciences Dhar El Mahraz.
       Exposé: Présentation de quelques résultats obtenus avec Claude Levesque dans 12 travaux en commun. (12 pages).

November 14 - December 7, 2022, India.
    November 15 - 18, 2022, Mumbai.
       November 15, 14:30, UM-DAE Centre for Excellence in Basic Sciences (CBS): Lecture on Families of Diophantine equations.
       November 16, 16:00, Department of Mathematics, Indian Institute of Technology (IIT Bombay): Lecture On the degree of hypersurfaces with given singularities.
       November 17, 10:30, Ramnarain Ruia Autonomous College: Lecture On the Archimedes Cattle Problem and the Brahmagupta--Fermat--Pell Equation.
    November 18 - 20, 2022, Kochi (Cochin)
       November 19, 2022.
          Cochin University of Science and Technology (CUSAT). 10:15 - 11:15, Lecture On the Ramanujan street puzzle of Prasanta Chandra Mahalanobis.
          Rajagiri School of Engineering and Technology, Department of Mathematics of RSET. 12:00 - 1:00 pm. Lecture on The square root of 2, the Golden ratio and the Fibonacci sequence. Link to the video
          Bharat Mata College, International workshop on Variants of Graph Domination. Chief Guest for Valedictory meeting.
    November 21 - 24, 2022, Kozhikode, The Kerala School of Mathematics (KSoM).
       International Conference on Class Groups of Number Fields and Related Topics - ICCGNFRT2022.
       Lecture On the number of integers represented by families of binary forms (joint work with Etienne Fouvry).
    November 23, 2022, 2pm - 3 pm National Institute of Technology Calicut NITC, Mathematics Department Kerala.
       Lecture On the Markoff equation $x^2+y^2+z^2=3xyz$
    November 26 - 28, 2022, Department of Studies in Mathematics, University of Mysore, India.
       International Conference on Special Functions & Applications (ICSFA-2022) (XXIst Annual Meeting of the Society for Special Functions & their Applications, India).
       Lecture on A multidimensional analog of Lidstone interpolation theory.
    November 28 - December 4, 2022, Prayagraj (Allahabad). Harish-Chandra Research Institute (HRI).
       Advanced Training in Mathematics Schools, National Centre for Mathematics Workshop (NCMW), Elliptic Curves, Elliptic Functions and Trancendence (2022).
    December 4 - 6, 2022 IIT Delhi.
       December 6, 2022. Lecture on Euler's constant.

January 9 - 20, 2023. University of the Philippines Diliman, Manila
    CIMPA School : Introduction to Galois Representations and Modular Forms and their Computational Aspects. Course on Elliptic curves with complex multiplication.

January 29 - February 9, 2023. Limbe (Cameroun).
    A course on number theory at the African Institute for Mathematical Sciences (AIMS).
    February 1, 2023, 19:30. International cooperation in mathematics: some examples, including CIMPA, EMS - CDC, IMU - CDC, ICTP, TWAS, OWSD, Simons Foundation, ISP, RNTA, SEAMS, EMALCA, APSA, SARIMA, AFRIMath.
    February 3, 2023, first quizz.
    February 3 - 6, 2023, first assignment.
    February 8, 2023, second quizz.
       last course: Some of the most famous open problems in number theory.

February 18 - March 10, 2023: India.
    February 20 - 25: Bhubaneswar, workshop on number theory, National Institute of Science Education and Research (NISER)
          February 20, 21, 22: A survey on Diophantine properties of the Riemann zeta function
          February 25, 2023, 4 p.m. IIT Bhubaneswar; lecture On the abc Conjecture .
    February 26 - 27, Indian Institute of Technology Guwahati (IITG), Department of Mathematics.
          February 27, lecture On the abc Conjecture .
    February 28 - March 1, Number Theory Meeting - On Ramanujan’s 135th birth year at Indian Institute of Technology Kanpur (IITK).
          February 28 , lecture On the Landau Ramanujan constant : sums of two squares, families of binary forms.
    March 1 - 2, Indian Institute of Technology Ropar (IITR), Department of Mathematics.
          March 2, lecture on Euler's Constant
    March 3 - 4, Ashoka University, Department of Mathematics.
          March 3, lecture On the degree of hypersurfaces with given singularities.
    March 5 - 9, Delhi,
       March 6, Indraprastha Institute of Information Technology Delhi (IIIT-Delhi), Department of Mathematics.
          Lecture on The square root of 2, the Golden ratio and the Fibonacci sequence.
       March 7, IIT Delhi.
          Lecture On the Markoff equation x^2+y^2+z^2=3xyz.
       March 9, Indian Statistical Institute (ISI) Diophantine Day @ ISI Delhi. Lecture on Sets of linear forms of maximal complexity.

Vendredi 24 mars 2023. Institut Henri Poincaré (Paris).
    Séminaire COOL (Créteil-Orléans-Orsay-Lille). Exposé: Géométrie paramétrique des nombres dans les corps de fonctions (d'après un travail en commun avec Damien Roy).

Vendredi 24 mars 2023, IHP, Paris.
    Séminaire COOL Cergy (Créteil) - Orléans - Orsay - Lille. Exposé: Géométrie paramétrique des nombres dans les corps de fonctions.

April 13 - 16, 2023: Wien (Austria)
    April 14 - 15, Meeting of the Committee for Developping Countries of the European Mathematical Society.

April 29, May 7, 2023: Università Roma Tre
    May 4-6, 2023: The seventh mini symposium of the Roman Number Theory Association.

Mai 2023, Hadamard Lectures 2023
    May 15th at Institut de Mathématique d'Orsay, May 16th, 17th, 22nd, 23rd and 24th at IHES
    Will Sawin, "Number theory over function fields".

Lundi 22 mai, Séminaire de théorie des nombres de l'IMJ-PRG
    14:00: Damien Roy, Approximation diophantienne avec contraintes.
    salle 502, 5ème étage, couloir 15-25, 4 place Jussieu, Paris.

Mai - juin 2023, UPEC (Université Paris Est Créteil Val de Marne site de Créteil), Laboratoire d’Analyse et de Mathématiques Appliquées (LAMA)
    projet GéoParADi (géométrie paramétrique et approximation diophantienne) Damien Roy, cinq cours : Géométrie paramétrique des nombres et applications
        - mercredi 17 Mai : une séance de 10h à 12h en P2 P12 ;
        - vendredi 26 Mai : deux séances de 10h30 à 12h30 puis de 14h30 à 16h30 en P1 018 ;
        - vendredi 2 Juin : deux séances de 10h30 à 12h30 puis de 14h30 à 16h30 en P1 P43.

mail : Michel Waldschmidt Internet : http://www.imj-prg.fr/~michel.waldschmidt/ - Updated June 5, 2023.

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