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Original Articles

Coefficient Ideals and the Gorenstein Property of Blowups

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Pages 4617-4629 | Received 24 Aug 2004, Published online: 01 Feb 2007
 

ABSTRACT

The purpose of this article is to give criteria for the Gorenstein property of the blowup of the spectrum of a Gorenstein local ring A along an ideal I⊂A by means of the coefficient ideal of I. Moreover, we investigate the conductor ideal and the Gorenstein property of the fiber cone.

Mathematics Subject Classification:

This research has been supported by the Academy of Finland, project 48556.

Communicated by S. Goto.

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