Research interests
Symplectic topology, Hamiltonian dynamics and all nearby topics.
I am specifically interested in aspects of these fields where non-smooth objects appear.
News
I was recently awarded with Dan Cristofaro-Gardiner and Sobhan Seyfaddini a Frontiers of Science Award from the ICBS for our paper on the simplicity conjecture.
Conferences:
- Conference Laudenbach 2025, in Nantes, 13-15 October 2025.
- Conference Viterbo 2024, in IHP, Paris, 3-7 June 2024.
- From smooth to C⁰ symplectic geometry: topological aspects and dynamical implications in CIRM, Luminy, France, July 3-7 2023.
- Thematic trimester on symplectic and contact geometry in IHP, Paris, April-July 2021.
- C^0 aspects of symplectic geometry and Hamiltonian dynamics, Technion, Haifa, 12-16 May 2019.
- Mini-workshop on C0-symplectic geometry and Hamiltonian dynamics, IHP, 18-22 January 2016.
- The 2016 IMJ-PRG summer school on Symplectic topology, sheaves and mirror symmetry. (Notes and posters are online)
Seminars, reading groups:
ANR projects:
Students:
- 2024-? Maral Hatamizadeh Topological and dynamical study of the gamma-support. PhD thesis. (joint supervision with Baptiste Chantraine)
- 2025. Hélène Authier. Autour de l'annalyse topologique des données. TER (Mémoire de M1).
- 2020-2024 Francesco Morabito. Braids in low dimensional symplectic topology Mémoire de thèse
- 2024 Maral Hatamizadeh Autour du gamma-support. Mémoire de M2.
- 2022. Mohamadreza Farshidfar. Feral curves and applications to dynamics. Mémoire de M2.
- 2022. Salammbo Connolly. Distance de Hofer sur les espaces de diamètres. TER (Mémoire de M1).
- 2016-2020 Alexandre Jannaud. Dehn-Seidel twist, C0-symplectic topology and barcodes. Mémoire de thèse
- 2019-2020. Francesco Morabito Homologie de Floer et homologie des fonctions génératrices. Mémoire de M2.
- 2018-2019. Victor Fournet. Le h-principe. TER (mémoire de M1). mémoire en pdf, (Très bonne introduction au h-principe, avec tous les détails sur l'intégration convexe).
- 2017-2018. Iskandar Boucharenc. Le quatrième problème de Hilbert. TER (mémoire de M1).
- 2015-2016. Alexandre Jannaud. La conjecture Conley. (Mémoire de M2).
- 2014-2015. Brian Tervil. Rigidité en topologie de contact. (Mémoire de M2).
- 2012-2013. Solène Heitzmann. Feuilletages et théorème de Novikov. TER (mémoire de M1).
- 2011-2012. Nestor Leon Delgado. Convexity theorem for toric actions. TER (mémoire de M1).
- 2011-2012. Juliette Bavard. Classification des surfaces par la théorie de Morse. TER (mémoire de M1).
- Juin 2010. Nassima Keddari. Les difféomorphismes de la sphère. Stage de M1.