Tempered subgroups and representations with minimal decay of matrix coefficients
The fixed group of an automorphism of a word hyperbolic group is rational.
The Kahn-Priddy Theorem and Equivariant Vector Fields on Spheres.
The ?-orbifold Group of a Link.
The smallest arithmetic hyperbolic three-orbi-fold.
The Topological-Euclidean Space Form Problem.
Topologie de Gromov équivariante, structures hyperboliques et arbres réels.