Research

I am interested in group actions on low-dimensional manifolds, with problems coming from foliation theory and/or group theory. A good name for what I'm doing is Dynamical Group Theory.

CV (September 2025)

Publications and preprints

Mémoire d'habilitation à diriger les recherches (17 septembre 2021): Some aspects of group actions on manifolds

Research projects

• (2019-2025) ANR project Gromeov (ANR-19-CE40-0007)
• (2019-2023) Regional project ANER AGROUPES
• (2022-2023) MATH AMSUD project DGT - Dynamical Group Theory (22-MATH-03)
• (2022-2025) I participate to the Graduate School EIPHI project TACTICQ
• (2024-2025) I participate to the ECOS-Sud project Small spaces under action (C23E02)
• (2024-2030) I participate to the ANR project AnoDyn (ANR-24-CE40-5065-01)

Upcoming events

Past events

• Beyond Uniform Hyperbolicity. ICTP, Trieste, June 2-13 2025. See the webpage.

• Congrès SMF 2025. Dijon, June 2-6 2025. See the webpage.

• Joyeux anniversaire Étienne Ghys ! Villers-le-Lac, May 25-27 2025. See the webpage.

• Low Dimensional Actions. IHP, Paris, April 29 - May 4 2024. See the webpage.

• École de Printemps en Géométrie et Dynamique. Lille, March 21-24 2023. See the webpage.

• Big Mapping Class Groups and Diffeomorphism Groups. CIRM, Marseille, October 10-14 2022. See the webpage.

• School on Dynamical Group Theory. Dijon, October 3-7 2022. See the webpage.

• Uniformly and non-uniformly hyperbolic dynamics. CIRM, Marseille, June 14-18 2021. See the webpage.

• Flots d'Anosov en dimension 3. ANR Gromeov meeting, November 23-24 2020, online event. See the webpage.

• One-dimensional actions of 3-manifold groups. workshop in Dijon, November 4-8 2019. See the webpage.

• Workshop: Groups acting on manifolds. I was the organizer for a workshop for young researchers, Teresópolis, June 20-24 2016.

  • See the webpage.
  • Lecture notes [Ensaios Matemáticos, arXiv]

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Last update: 02/09/25