Noyau de la chaleur hypoelliptique et geometrie sous-riemannienne -- On two classes of smooth measures for symmetric markov processes -- The hydrodynamical limit for scalar ginzburg-landau model on R -- Short time asymptotics for fundamental solutions of diffusion equations -- Malliavin calculus on a segal space -- Weak convergence of functionals of point processes on Rd -- Image des points critiques d'une application reguliere -- Degree theorem in certain wiener riemannian manifolds -- Applications quantitatives et geometriques du calcul de malliavin -- On the fock space representation of occupations times for non reversible markov processes -- On weak solutions of stochastic partial differential equations -- Une remarque sur les chaos de wiener -- Limit theorem for one-dimensional diffusion process in brownian environment -- Diffusion processes and heat kernels on certain nilpotent groups