Central twisted transformation groups and group $C^*$-algebras of central group extensions
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We examine the structure of central twisted transformation group \cs-algebras $C_{0}(X)\rtimes_{\id,u}G$, and apply our results to the group \cs-algebras of central group extensions. Our methods require that we study Moore's cohomology group $H^{2}\bigl(G,C(X,\T)\bigr)$, and, in particular, we prove an inflation result for pointwise trivial cocyles which may be of use elsewhere.
22 pages. To appear in the Indiana U. Math. J
22 pages. To appear in the Indiana U. Math. J