Abstract
Let R be an associative ring with identity and let J(R) denote the Jacobson radical of R . We say that R is primary if R/J(R) is simple Artinian and J(R) is nilpotent. In this paper we obtain necessary and sufficient conditions for the group ring RG , where G is a nontrivial abelian group, to be primary.
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More From: Rendiconti del Seminario Matematico della Università di Padova
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