Vol. 150, No. 1, 1991

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Mackey analysis of infinite classical motion groups

Douglas Murray Pickrell

Vol. 150 (1991), No. 1, 139–166
Abstract

Representation theory for infinite classical motion groups is formulated in terms of invariant measure classes and cocycle cohomology. It is shown that invariant measure classes are always represented by invariant probability measures, and these classes are determined for Cartan motion groups. The existence of “induced” cocycle cohomology is established in this ergodic setting. Also it is shown that the continuity properties of representations are rather rigidly determined.

Mathematical Subject Classification 2000
Primary: 22E65
Secondary: 43A80
Milestones
Received: 10 April 1989
Published: 1 September 1991
Authors
Douglas Murray Pickrell