|Universiteit Faculteit FNWI English version||4 juni 2003, e-mail|
Woensdag 11 juni 2003
AbstractThis talk describes a new classification of all the orbits of the Poincaré group under the coadjoint action on the dual of its Lie algebra. A new continuous noneigenvalue invariant, called a modulus, is needed. The physical implications of this will be discussed.