Sommaire du Fascicule no. 1

Dynamical behavior of a nondiffusive scheme for the advection equation
p. 3-29
Groups with irreducibly unfaithful subsets for unitary representations
p. 31-68
Non linear Schrödinger limit of bosonic ground states, again
p. 69-91
Unitary representations of p-adic U(5)
p. 93-146
Slope filtrations: Erratum
p. 147-148

Sommaire du Fascicule no. 2

Regularization of birational actions of FW groups
p. 3-10
Galois theories of q-difference equations: comparison theorems
p. 11-35
Properties expressible in small fragments of the theory of the hyperfinite II 1 factor
p. 37-47
Rational factors, invariant foliations and algebraic disintegration of compact mixing Anosov flows of dimension 3
p. 49-78