Annales de l'institut Henri Poincaré. Section A, Physique Théorique, Volume 19 (1973) no. 2

Table of contents

Time operators, position operators, dilatation transformations and virtual particles in relativistic and nonrelativistic quantum mechanics

Almond, D. J.

p. 105-169

On integrability of discrete representations of Lie algebra

u (p, q)

Mickelsson, J.; Niederle, J.

p. 171-177

Spin and the structure of space-time

Hehl, Friedrich W.; von der Heyde, Paul

p. 179-196

Bianchi universes admitting full groups of motions

Osinovsky, M. E.

p. 197-210