The F-signature and strong F-regularity

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We show that the F-signature of a local ring of characteristic p, defined by Huneke and Leuschke, is positive if and only if the ring is strongly F-regular.
revised version, incorporating referee's comments. 6 pages

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Commutative Algebra, 13A35 (Primary), 13C14, 13D40 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/64685

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0208067
 http://arxiv.org/abs/math/0208067

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arXiv