Precise estimates on the rate at which certain diffusions tend to equilibrium.
On global Sobolev inequalities.
Convergence to equilibrium and logarithmic Sobolev constant on manifolds with Ricci curvature bounded below
Opérateurs pseudo-différentiels sur certains groupes totalement discontinus
Analysis on compact Lie groups of large dimension and on connected compact groups
The study of Gaussian convolution semigroups is a subject at the crossroad between abstract and concrete problems in harmonic analysis. This article suggests selected open problems that are in large part motivated by joint work with Alexander Bendikov.
Elliptic diffusions on infinite products.
Moderate Growth and Random Walk on Finite Groups.
Analyse sur les boules d' un opérateur sous-elliptique.
On the sample paths of diagonal brownian motions on the infinite dimensional torus
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