aux hyperfonctions -- Pseudo-differential operators acting on the sheaf of microfunctions -- Micro-hyperbolic pseudo-differential operators -- Microanalyticite de la matrice S -- Macrocausality, physical-region analyticity and independence property in S-matrix theory -- Appendix Microlocal essential support of a distribution and decomposition theorems โ{128}{148} An introduction -- Unitarity and discontinuity formulae -- Geometry of the N point P space function of quantum field theory -- Some applications of the Jost-Lehmann-Dyson theorem to the study of the global analytic structure of the N point function of quantum field theory -- Quelques aspects globaux des problemes d'edge - of - the - wedge