On the Dimension of Modules and Algebras, V. Dimension of Residue Rings
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We shall consider a semi-primary ring ۸ with radical N (i.e. N is nilpotent and ۸/N is semi-simple (with minimum condition)). All modules considered are left ۸-modules. We refer to [1] for all notions relevant to homological algebra. The objective of this paper is to establish the following two theorems: Theorem I. Let a be a two-sided ideal in A such that
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[4] S. Eilenberg,et al. On the Dimension of Modules and Algebras, II: (Frobenius Algebras and Quasi-Frobenius Rings) , 1955, Nagoya mathematical journal.