CONTENTS: L. Boutet de Monvel: Indice de systemes
differentiels.- C. De Concini, C. Procesi: Quantum groups.-
P. Schapira, J.P. Schneiders: Index theorems for
R-constructible sheaves and for D-modules.- N. Berline, M.
Vergne: The equivariant Chern character and index of
G-invariant operators.
Indice des systèmes différentiels.- Quantum groups.- Index theorems for R-constructible sheaves and for D-modules.- The equivariant Chern character and index of G-invariant operators. Lectures at CIME, Venise 1992.