Non-commercial announcement

A new non-profit Math Journal is available since october 2017: The Annales Henri Lebesgue.



Deformation spaces of Coxeter truncation polytopes.

Convex cocompactness for Coxeter groups.



A small closed convex projective 4-manifold via Dehn filling.

To be published in Publicacions Matemàtiques.
Anti-de Sitter strictly GHC-regular groups which are not lattices.

Transactions of the AMS, volume 372, 2019, p. 153-186.
Surface groups of diffeomorphisms of the interval.

Israel Journal of Maths, volume 227, issue 1, august 2018, p. 379–396.
Convex projective generalized Dehn filling.

Les Annales de l'ENS, tome 53, fascicule 1, 2020, p. 217-266.
Properly convex bending of hyperbolic manifolds.

Groups, Geometry, and Dynamics, Volume 14, Issue 2, 2020, pp. 653–688.
Entropy rigidity of Hilbert and Riemannian metrics.
International Mathematics Research Notices, volume 2017, Issue 22, 2017, p. 6841-6866.
Coxeter group in Hilbert geometry.
Groups, Geometry and Dynamics, volume 11, issue 3, 2017, p. 819-877.
Le flot géodésique des quotients géométriquement finis des géométries de Hilbert.

Pacific Journal of Mathematics, volume 268, issue 2, 2014, p. 313-369.
Finitude géométrique en géométrie de Hilbert.
Avec Mickaël Crampon et un appendice avec Constantin Vernicos.

Annales de l'Institut Fourier, volume 64, issue 6, 2014, p. 2299-2377.
Un lemme de Kazhdan-Margulis-Zassenhaus pour les géométries de Hilbert.

Annales Blaise Pascal, volume 20, issue 2, 2013, p. 363-376.
Exemples de variétés projectives strictement convexes de volume fini en dimension quelconque.

L'Enseignement Mathématique, volume 58, issue 1, 2012, p. 3-47.
Espaces des modules des surfaces projectives proprement convexes de volume fini.

Geometry and Topology, volume 14, issue 4, 2010, p. 2103-2149.
Surface projective proprement convexe de volume fini.

Annales de l'Institut Fourier, volume 62, issue 1, 2012, p. 325-392.
Espace des modules de certains polyèdres miroirs.

Geometriae Dedicata, volume 147, issue 1, 2010, p. 47-86.


Discrete Coxeter groups.

Chapter $n$ in Survey in Geometry, Springer, edited by Athanase Papadopoulos.
Deformations of convex real projective structures on manifolds and orbifolds.

Chapter 10 of the Handbook of Group Actions, Vol. III, 263–310, Adv. Lect. Math. (ALM), 40,
Int. Press, Somerville, MA, 2018; edited by Lizhen Ji, Athanase Papadopoulos and Shing-Tung Yau.
Around groups in Hilbert geometry.

Chapter 8 of the Handbook of Hilbert geometry edited by Gérard Besson, Athanase Papadopoulos and Marc Troyanov.
Pavage en géométrie projective de dimension 2 et 3.

Phd defended on may 29, 2009.

Old conferences

A Platon conference Perspective in convex projective geometry. The conference will be held from June 24 to June 28, 2019 in Sète, France.
A conference Dynamics of group actions in honor of Yves Benoist 60th birthday. The conference will be held from May 27 to May 31, 2019 in Cetraro, Italy.
Organization of the conference Dynamics on representation varieties June 26-30, 2017 in Rennes.
This was part of the semester on Dynamics and Geometry run by the Centre Henri Lebesgue.


Page oueb d'un groupe de travail sur les représentations Anosov et l'entropie.
La page oueb d'un groupe de travail sur les Immeubles. Elle contient des notes des exposés.