Volume 129 (2001) no. 1

Table of contents

Sur certaines extensions de SU (n,4)
[On some extensions of SU (n,4)]
p. 1-31
Positivity of quadratic base change L-functions
p. 33-90
Perturbation singulière en dimension trois : canards en un point pseudo-singulier nœud
[Singular perturbation, tridimensional case: canards on a pseudo-singular node point]
p. 91-113
Remarks on Yu's ‘property A' for discrete metric spaces and groups
p. 115-139
Étale cohomology and reduction of abelian varieties
p. 141-157