Tome 54 (1991) no. 1

Sommaire

Remarks on integration over Lie algebras
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
p. 9-16
The simplified Wheeler-Dewitt equation : the Cauchy problem and some spectral properties
p. 17-26
Proposition de structures géométriques « amplifiées » pour le traitement des systèmes de points matériels
p. 27-42
Invariant subspaces for the Schrödinger evolution group
p. 43-57
The Mourre estimate for regular dispersive systems
p. 59-88
The Bethe lattice spin glass at zero temperature
p. 89-113