Tits geometry, arithmetic groups, and the proof of a conjecture of Siegel.
Total Absolute Curvature of Submanifolds in Compact Symmetric Spaces of Rank One.
Total geodesy of proper holomorphic immersions between complex hyperbolic space forms of finite volume.
Trace decomposition and recurrency
Transformation de Poisson de formes différentielles. Le cas de l'espace hyperbolique.
Twistor spaces for Riemannian symmetric spaces.