Property T for C*-algebras

Chi-Keung Ng 吴志强  (Nankai University )

10:00-11:00, April 4, 2019   Science Building A510

Abstract:

In this talk, we will give some recent results concerning property T of C*-algebras. In particular, for a locally compact group G, the full group C*-algebra of G has strong property T if and only if G has property T. Moreover, if G is an [IN]-group, then the reduced group C*-algebra of G has strong property T if and only if G has property T. Examples of non-property T locally compact groups with their reduced group C*-algebras having strong property T will be given. An equivalent description of strong property T of the crossed products of discrete groups on unital C*-algebras will also be presented.

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