On twisted ordered monoid rings over quasi-Baer rings

Authors

  • Ahmad Ageeb
  • A. M. Hassanein
  • R. M. Salem

Keywords:

quasi-Baer ring, Twisted monoid ring, Crossed product.

Abstract

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.

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