Elsevier

Journal of Algebra

Volume 83, Issue 1, July 1983, Pages 158-178
Journal of Algebra

Semiprime and prime crossed products

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Abstract

Fairly sharp sufficient conditions for the crossed product R ∗ G to be semiprime or prime are obtained. The proofs, which are quite similar in the two cases, are based on a variant of the Δ-method and ultimately depend upon the known results when R is semiprime or prime.

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Research supported in part by NSF Grant MCS80-02773.