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Necessary and Sufficient Conditions for the Cohen–Macaulayness of Blowup Algebras

✍ Scribed by Claudia Polini; Bernd Ulrich


Book ID
111524407
Publisher
Cambridge University Press
Year
1999
Tongue
English
Weight
157 KB
Volume
119
Category
Article
ISSN
0010-437X

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Necessary and Sufficient Conditions for
✍ Eero Hyry 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 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