Annales de l'I.H.P. Physique théorique, Volume 54 (1991) no. 1

Table of contents

Remarks on integration over Lie algebras

Altschuler, Daniel; Itzykson, Claude

p. 1-8

Consequences of the validity of Huygens' principle for the conformally invariant scalar wave equation, Weyl's neutrino equation and Maxwell's equations on Petrov type II space-times

Carminati, J.; Czapor, S. R.; McLenaghan, R. G.; Williams, G. C.

p. 9-16

The simplified Wheeler-Dewitt equation : the Cauchy problem and some spectral properties

Dias, João-Paulo; Figueira, Mário

p. 17-26

Proposition de structures géométriques « amplifiées » pour le traitement des systèmes de points matériels

Burdet, G.; Perrin, M.

p. 27-42

Invariant subspaces for the Schrödinger evolution group

Ozawa, Tohru

p. 43-57

The Mourre estimate for regular dispersive systems

Gérard, C.

p. 59-88

The Bethe lattice spin glass at zero temperature

Bleher, P. M.

p. 89-113