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math.AC2010★ 1 cited
Examples of degenerations of Cohen-Macaulay modules
Naoya Hiramatsu, Yuji Yoshino
We study the degeneration problem for maximal Cohen-Macaulay modules and give several examples of such degenerations. It is proved that such degenerations over an even-dimensional…
math.AC2010★ 1 cited
Stable degenerations of Cohen-Macaulay modules
Yuji Yoshino
As a stable analogue of degenerations, we introduce the notion of stable degenerations for Cohen-Macaulay modules over a Gorenstein local algebra. We shall give several necessary a…