Semi-invertible extensions of C*-algebras

Published 12 May 2010 in math.OA | (1005.1999v1)

Abstract: We prolonge the list of C*-algebras for which all extensions by any stable separable C*-algebra are semi-invertible. In particular, we handle certain amalgamations, both of C*-algebras and of groups. Concerning groups we consider both reduced and full group C*-algebras.

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