When is a Crossed Product by a Twisted Partial Action Azumaya? (original) (raw)

When is a Crossed Product by a Twisted Partial Action Azumaya?

Communications in Algebra, 2010

Alveri Sant'Ana

Antonio Paques

Abstract

In this article, we discuss necessary and sufficient conditions for the crossed product S = R★αG by a twisted partial action α of a finite group G on a ring R to be separable over its center.

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