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Deformations of arithmetically Cohen-Macaulay subvarieties of pn

✍ Scribed by Giorgio Bolondi; Rosa Maria Mirò-Roig


Publisher
Springer
Year
1989
Tongue
English
Weight
247 KB
Volume
64
Category
Article
ISSN
0025-2611

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📜 SIMILAR VOLUMES


Cohen-Macaulay Types of Cohen-Macaulay C
✍ T. Hibi 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 750 KB

We say that a Cohen-Macaulay poset (partially ordered set) is "superior" if every open interxal \((x, y)\) of \(P^{*}\) with \(\mu_{p}(x, y) \neq 0\) is doubly Cohen-Macaulay. For example, if \(L=P^{\wedge}\) is a modular lattice, then the Cohen-Macaulay poset \(P\) is superior. We present a formula

On Degenerations of Cohen–Macaulay Modul
✍ Yuji Yoshino 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 150 KB

In relation to degenerations of modules, we introduce several partial orders on the set of isomorphism classes of finitely generated modules over a noetherian commutative local ring. Our main theorem says that, under several special conditions, any degenerations of maximal Cohen-Macaulay modules are