Stochastic parallel displacement -- Diffusion processes in bounded domains and singular perturbation problems for variational inequalities with Neumann boundary conditions -- Elliptic estimates and diffusions in Riemannian geometry and complex analysis -- Stochastic differentials and quasi-standard random variables -- A random product of markovian semi-groups of operators -- Large deviations for Markov processes and the asymptotic evaluation of certain Markov process expectations for large times -- Random evolutions -- An application of branching random fields to genetics -- Relativistic brownian motion -- Asymptotics and limit theorems for the linearized boltzmann equation -- Dual multiplicative operator functionals.