Sommaire du Fascicule no. 1

L 2 -cohomology of locally symmetric varieties
Root systems and hypergeometric functions III
The rationality of some moduli spaces of plane curves
Foliations admitting transverse systems of differential equations
A construction of an abelian variety with a given endomorphism algebra

Sommaire du Fascicule no. 2

Singularities and Kodaira dimension of the moduli space of flat Hermitian-Yang-Mills connections
Étude spectrale de la multiplication q-adique
Around the intersection form of an isolated singularity of hypersurface
Extensions de Lie et groupes d'automorphismes de corps locaux
Root systems and hypergeometric functions IV
Lifting endomorphisms of formal A-modules

Sommaire du Fascicule no. 3

Galois characters associated to formal A-modules
On endo-lifting
Some results on the syzygies of finite sets and algebraic curves
Unitary representations of the Virasoro algebra and a conjecture of Kac
A Torelli theorem for osculating cones to the theta divisor
Schubert varieties in G/B×G/B