Sommaire du Fascicule no. 1

Remark on the definition of an automorphic form
On the existence of harmonic maps from a surface into the real projective plane
Modules of finite length and K-groups of surface singularities
The infinitesimal M. Noether theorem for singularities
On absolutely extremal points
The first eigenvalue of the laplacian for a positively curved homogeneous riemannian manifold
Nearly principal minors of M-matrices
On prime factors of sums of integers I
Dedekind sums and power residue symbols
The generalized Radon-Hurwitz numbers

Sommaire du Fascicule no. 2

Sur le caractère de Steinberg
Sur la mauvaise réduction des courbes de Shimura
On p-adic analytic families of Galois representations

Sommaire du Fascicule no. 3

Bounde Reinhardt domains in Banach spaces
Numerical sections on elliptic surfaces
L 2 -cohomology and intersection homology of locally symmetric varieties, II