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Cohen-Macaulayness of modules of invariants for SL2

✍ Scribed by Michel Van den Bergh


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
619 KB
Volume
142
Category
Article
ISSN
0021-8693

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πŸ“œ SIMILAR VOLUMES


Necessary and Sufficient Conditions for
✍ Eero Hyry πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 101 KB

Let A be a Cohen᎐Macaulay local ring with an infinite residue field and let I ; A be an ideal of height h ) 0. Supposing that depth ArI n is high enough for certain values of n, we give in this paper necessary and sufficient conditions for the Ž . form ring gr I to be Cohen᎐Macaulay with a-invariant