Covariant observables on a nonunimodular group

[摘要] It is shown that the characterization of covariant positive operator measures on nonunimodular locally compact groups can be obtained by using vector measure theoretic methods, without an application of Mackey's imprimitivity theorem. (c) 2005 Elsevier Inc. All rights reserved.

[发布日期] 2006-12-01

[关键词] covariant observable;positive operator measure;Radon-Nikodym property