Sommaire du Fascicule no. 1

Hamiltonians with zero-range interactions supported by a brownian path
Variational calculus in several variables : a hamiltonian approach
Covariant radiation hydrodynamics
Sand pile automata
Multifractal analysis of nearly circular Julia set and thermodynamical formalism

Sommaire du Fascicule no. 2

Quasi-discrete quantum Markov processes
Macroscopic limiting dynamics of a class of inhomogeneous mean field quantum systems
Comportement semi-classique des systèmes ergodiques
Time-frequency representations : wavelet packets and optimal decomposition

Sommaire du Fascicule no. 3

Approximation des valeurs propres de certaines perturbations singulières et application à l'opérateur de Dirac
Absence of geometrical phases in the rotating stark effect
Random Schrödinger operators with a constant electric field

Sommaire du Fascicule no. 4

Le spin et la relativité restreinte
The Cauchy problem for Hartree-Fock time-dependent equations
Lie-point symmetries in bifurcation problems
Logarithmic measures, subdimension and Lyapunov exponents of Cantori
Coisotropic varieties and their generating families
À propos du calcul différentiel sur les groupes quantiques