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AN ELEMENTARY PROOF OF THE NON-VANISHING OF CERTAIN LOCAL COHOMOLOGY MODULES

โœ Scribed by MACDONALD, I. G.; SHARP, RODNEY Y.


Book ID
124058051
Publisher
Oxford University Press
Year
1972
Tongue
English
Weight
321 KB
Volume
23
Category
Article
ISSN
0033-5606

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The Largest Non-vanishing Degree of Grad
โœ Ngรด Viรชt Trung ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 136 KB

This paper gives characterizations for the largest non-vanishing degree of the local cohomology modules of a graded ring S in terms of a reduction of S and of q the associated graded ring of an ideal I in terms of any reduction of I. As a consequence, this invariant can be computed explicitly for th