Issue no. 1 Table of Contents

Shock fluctuations in a particle system
Matched pairs of topological Lie algebras corresponding to Lie bialgebra structures on diff(S 1 ) and diff(𝐑)
Poisson-Nijenhuis structures
Quantum logics, vector-valued measures and representations
Variational principles for a relativistic stochastic mechanics
Splitting of the Dirac operator in the nonrelativistic limit
Asymptotic and analytic properties of resonance functions

Issue no. 2 Table of Contents

Riesz means of bounded states and semi-classical limit connected with a Lieb-Thirring conjecture. II
Distortion analyticity for two-body Schrödinger operators
Characteristic initial value problem for hyperbolic systems of second order differential equations
An explicit determination of the Petrov type D spacetimes on which Weyl's neutrino equation and Maxwell's equations satisfy Huygens' principle
Localisation for the spin J-boson hamiltonian
Kaehler coherent state orbits for representations of semisimple Lie groups

Issue no. 3 Table of Contents

Remarques sur le caractère algébrique du procédé pseudo-différentiel et de certaines de ses extensions (I)
On the asymptotics of scattering phases for the Schrödinger equation
Jump processes and diffusions in relativistic stochastic mechanics
Electrodynamics in Robertson-Walker spacetimes
Perturbation around exact solutions for nonlinear dynamical systems : application to the perturbed Burgers equation

Issue no. 4 Table of Contents

Hyperbolic behavior of dynamical systems. Foreword
Program
Invariant measures of the geodesic flow and measures at infinity on negatively curved manifolds
Flots d'Anosov à distributions de Liapounov différentiables. I
Some remarks on recent results about S-unimodal maps
Non-hyperbolicity and invariant measures for unimodal maps
On iterations of Misiurewicz's rational maps on the Riemann sphere
Singularities of the scattering kernel for generic obstacles
Finding eigenvalues of the period-doubling operator from the characteristic equation