
doi: 10.4418/2011.66.1.1
In this paper we show that if M is an Ordered monoid then the twisted monoid ring R^T M is (left principally) quasi-Baer if and only if R is (left principally) quasi-Baer. Also if R is (left principally) quasi-Baer and G is an ordered group acting on R we give a necessary and sufficient condition for the crossed product R∗G to be (left principally) quasi-Baer.
Twisted monoid ring, QA1-939, Crossed product., quasi-Baer ring, Mathematics
Twisted monoid ring, QA1-939, Crossed product., quasi-Baer ring, Mathematics
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