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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

On the depth of blowup algebras of ideals with analytic deviation one


Author: Santiago Zarzuela
Journal: Proc. Amer. Math. Soc. 123 (1995), 3639-3647
MSC: Primary 13A30; Secondary 13C15, 13D45, 13H10
MathSciNet review: 1286012
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Abstract: Let I be an ideal in a local Cohen-Macaulay ring $ (A,\mathfrak{m})$. Assume I to be generically a complete intersection of positive height. We compute the depth of the Rees algebra and the form ring of I when the analytic deviation of I equals one and its reduction number is also at most one. The formulas we obtain coincide with the already known formulas for almost complete intersection ideals.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0002-9939-1995-1286012-5
PII: S 0002-9939(1995)1286012-5
Keywords: Rees algebras, form rings, depth, analytic deviation, reduction number
Article copyright: © Copyright 1995 American Mathematical Society