Browsing by Title "When does the F-signature exist?"

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  • When does the F-signature exist? 

    Aberbach, Ian M.; Enescu, Florian (2005)
    We show that the F-signature of an F-finite local ring R of characteristic p > 0 exists when R is either the localization of an N-graded ring at its irrelevant ideal or Q-Gorenstein on its punctured spectrum. This extends ...