# Exposés/talks

https://webusers.imj-prg.fr/uploads/olivier.debarre/HK_Shanghai.pdf[1] Variétés algébriques complexes, exposé, École normale supérieure de Cachan, 1998.

[2] Polytopes et variétés algébriques, colloquium Paris 7, 2002.

[3] Fano varieties and polytopes, The Fano Conference, Torino, 2002.

[4] Variétés toriques et polytopes, cours, École normale supérieure, Paris, 2002.

[5] Hyperbolicity, colloquium, University of Michigan et Princeton University, 2004.

[6] Hyperbolicity of complex varieties, école d'été Pragmatic, Catania, 2004.

[7] Polytopes et points entiers, cours de rentrée de majeure, École polytechnique, Aussois, 2004 ; Hyères, 2005.

[8] Sur les revêtements des variétés abéliennes simples, Strasbourg, 2004 ; Roma 3, 2004 ; Lille, 2005.

[9] Singularities of divisors on abelian varieties, JAMI Conference/Workshop: Recent Developments in Higher Dimensional Algebraic Geometry, Johns Hopkins University, 2006 ; Oberwolfach, 2006.

[10] Sur la topologie des variétés algébriques complexes, colloquium, Grenoble, 2006.

[11] On the geometry of abelian varieties, National Taiwan University, 臺北市 Taipei, 2007 ; KAIST, 대전 Daejeon et KIAS, 서울 Seoul, 2008.

[12] The Fano threefold $X_{10}$, National Taiwan University, 臺北市 Taipei, 2007 ; Roma Tre, 2007 ; Universiteit van Amsterdam, 2008 ; IMJ, Paris, 2008 ; Fudan University, 上海 Shanghai, 2008.

[13] On the geometry of certain Fano threefolds, Giornata INdAM, Pisa, 2007.

[14] Bend-and-break, Summer School: Geometry of complex projective varieties and the minimal model program, Grenoble, 2007.

[15] La propriété de la diagonale, Grenoble, 2007.

[16] Periods and moduli, MSRI, Berkeley, 2009.

[17] A new family of symplectic fourfolds, Oberwolfach, 2009 ; Strasbourg, 2009 ; Grenoble, 2009.

[18] Cônes de cycles en codimension supérieure (Cones of higher-codimensional cycles), IMJ, Paris, 2010 ; Oberwolfach, 2010.

[19] Rational curves on algebraic varieties, GAeL XVIII conference, Coimbra, 2010 ; conférence Géométrie Algébrique, Semaine spéciale Master 2, Strasbourg, 2011.

[20] On nodal prime Fano threefolds of degree 10, Perspectives on Algebraic Varieties, Trento, 2010.

[21] Varieties with vanishing Euler characteristic, Workshop in Complex and Algebraic Varieties, 北京 Beijing, 2011 ; The French-Romanian Workshop on Complex Geometry, București, 2011.

[22] Curves of low degrees on projective varieties, Geometry Over Non-Closed Fields, Saint John, 2012.

[23] Curves of low degrees on Fano varieties, cours, Roma 2, 2012.

[24] On Fano varieties of degree 10 and coindex 3, séminaire, Roma 3, 2012.

[25] On the period maps of some Fano varieties, Geometry of Kaehler manifolds and symplectic geometry, Nantes, 2012 ; First Annual Georgia Algebraic Geometry Symposium, UGA, Athens, 2012.

[26] On the period maps of some Fano varieties, Holomorphic symplectic manifolds and moduli spaces, Grenoble, 2012.

[27] Periods of algebraic varieties, CEMPI Inaugural Conference, Lille, 2012.

[28] On some Fano fourfolds, KIAS, 서울 Seoul ; Symposium on Projective Algebraic Varieties & Moduli, 여 수 Yeosu, 2013.

[29] Moduli spaces for some Fano manifolds, Programme thématique : Points rationnels, courbes rationnelles et courbes entières sur les variétés algébriques, CRM, Montréal, 2013.

[30] Quadratic line complexes, Classification of Algebraic Varieties and Related Topics, Cetraro, 2013.

[31] How to classify Fano varieties? School: Rational Curves on Algebraic Varieties, Poitiers, 2013.

[32] On the geometry of cubic hypersurfaces in P^5 ; On the geometry of quadratic line complexes in P^4, Arithmetic and Algebraic Geometry, 東京 Tokyo, 2014 ; 札幌 Sapporo, 2014.

[33] Périodes et espaces de modules des variétés algébriques, Strasbourg, 2014.

[34] Moduli spaces for certain Fano varieties, Moduli spaces of irreducible symplectic varieties, cubics and Enriques surfaces, Lille, 2014 ; Universität Zürich, 2014.

[35] On the geometry of hypersurfaces of low degrees in the projective space, CIMPA School: Algebraic Geometry and Number Theory, Université de Galatasaray, Istanbul, 2014.

[36] Around cubic hypersurfaces, colloquium, Universität Düsseldorf, 2014.

[37] Fano varieties and EPW sextics, New Techniques in Birational Geometry, Stony Brook, 2015 ; Sapienza Universitá di Roma, 2015 ; Rationally connected varieties, Laboratory of Algebraic Geometry, Москва, 2015.

[38] Rational curves on hypersurfaces, CIMPA School: II Latin American School of Algebraic Geometry and Applications, Cabo Frio, 2015; KIAS Winter School: Rational Curves on Algebraic Varieties, 부산 Busan, 2016.

[39] Cubic hypersurfaces over finite fields, Workshop on projective algebraic geometry, Laboratory of Algebraic Geometry, Москва, 2015.

[40] Fake projective spaces and fake tori (slides), London G&T seminar, Imperial College, London, 2015 ; Géométrie Algébrique et Géométrie Complexe, CIRM, Luminy, 2015 ; Second French-Korean Conference in Mathematics, Bordeaux, 2016 ; IBS Symposium: Algebra, Geometry and Quantum Field Theory, 포항시 Pohang, 2016 ; Colloquium, Yale University, 2017 ; Duke University, Durham, 2017.

[41] Higher-Dimensional Varieties, CIMPA-CIMAT-ICTP School on Moduli of Curves, Guanajuato, 2016.

[42] On periods of Gushel-Mukai varieties, Mediterranean Complex Projective Geometry, Carry-le-Rouet, 2016 ; Positivity and Vanishing Theorems, Lille, 2016 ; New Methods in Birational Geometry, Toulouse, 2016.

[43] Unexpected isomorphisms between hyperkähler fourfolds, Géométrie algébrique,  Collège de France, 2016 ; Topics on rationality and hyperkähler geometry, Milano, 2016 ; Yale University, New Haven, 2017 ; University of North Carolina, Chapel Hill, 2017.

[44] Two or three things I know about abelian varieties, minischool on abelian and symplectic varieties, University of North Carolina, Chapel Hill, 2017.

[45] Hyperkähler manifolds, Summer school, Texel Island, The Netherlands, et CIMPA Research School on Group actions on algebraic varieties, Pontificia Universidad Católica del Perú, Lima, 2017, arXiv:1810.02087.

[46] Sur les surfaces K3 et les variétés hyperkählériennes, 7th Swiss-French workshop in Algebraic Geometry, Charmey, 2018.

[47] Rationalité des variétés algébriques, colloquium : Nancy, 2018 ; Peking University et Academy of Sciences, 北京 Beijing, 2018 ; Poitiers, 2018.

[48] Periods of cubic fourfolds and of DV varieties, Arithmetic and Geometry of Cubic Hypersurfaces, Hannover, 2018 ; Differential, Algebraic and Topological Methods in Complex Algebraic Geometry, Cetraro, 2018.

[49] Moduli and periods of hyperkähler manifolds, Fall Program of Moduli Spaces and Varieties, Shanghai Center Mathematical Sciences, 上海 Shanghai, 2018.

[50] Degenerations of Debarre-Voisin varieties, Algebraic Geometry and Moduli Theory, Conference in honor of Shigeru Mukai, 京都市 Kyoto, 2019.

[51] Gushel-Mukai varieties and their periods, The geometry of algebraic varieties, CIRM, Luminy, 2019 ; Peking University et Academy of Sciences, 北京 Beijing, 2019.

[52] Gushel-Mukai varieties, Shanghai Center Mathematical Sciences, 上海 Shanghai, 2019.

[53] Some varieties with PSL(2,$F_{11}$)-actions, Impanga online seminar, Warsaw, 2020.

[54] Rationality and irrationality: when can solutions of polynomial equations be algebraically parametrized? Online Seminario Matematico e Fisico di Milano, 2021.