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ON THE TOPOLOGY OF THE DUAL SPACE OF CROSSED PRODUCT C*-ALGEBRAS WITH FINITE GROUPS
2017
Bulletin of the Korean Mathematical Society
In this note we extend our previous result about the structure of the dual of a crossed product C * -algebra A ⋊σ G, when G is a finite group. We consider the space Γ which consists of pairs of irreducible representations of A and irreducible projective representations of subgroups of G. Our goal is to endow Γ with a topology so that the orbit space G\ Γ is homeomorphic to the dual of A ⋊σ G. In particular, we will show that if A is Hausdorff then G\ Γ is homeomorphic to A ⋊σ G.
doi:10.4134/bkms.b150688
fatcat:hhmoe25jbzcwdhvlju32icaj2y