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Journal of Operator Theory

Volume 66, Issue 1, Summer 2011  pp. 209-216.

Quasidiagonality of crossed products

Authors Stefanos Orfanos
Author institution: Department of Mathematics and Statistics, King Fahd University of Petroleum and Minerals, Dhahran 31261, Kingdom of Saudi Arabia

Summary:  We prove that the crossed product A of a separable unital quasidiagonal C^*-algebra A by a discrete countable amenable maximally almost periodic group G is quasidiagonal, provided that the action \alpha is almost periodic. This generalizes a result of Pimsner and Voiculescu.


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