A morita context related to finite automorphism groups of rings

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Abstract

Let R be a semiprime ring, G a finite group of automorphisms of R and RG the fixed ring. We investigate the associated Morita context (RG, R, R, R⋆G), where R⋆G is the skew group ring. We then apply these results to two situations: (1)G is X-outer (2)2? is G-torsion free.

Original languageEnglish
Pages (from-to)37-54
Number of pages18
JournalPacific Journal of Mathematics
Volume98
Issue number1
DOIs
StatePublished - 1 Jan 1982

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