On Cohen-Macaulay rings
Edgar E. Enochs, Jenda M. G. Overtoun (1994)
Commentationes Mathematicae Universitatis Carolinae
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In this paper, we use a characterization of -modules such that to characterize Cohen-Macaulay rings in terms of various dimensions. This is done by setting to be the local cohomology functor of with respect to the maximal ideal where is the Krull dimension of .