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math.AC2005★ 1 cited
When does the F-signature exist?
Ian M. Aberbach, Florian Enescu
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 -graded ring at its irrelevant ideal or $…
math.AC2005
On the upper semi-continuity of the Hilbert-Kunz multiplicity
Florian Enescu, Kazuma Shimomoto
We show that the Hilbert-Kunz multiplicity of a -dimensional nonregular complete intersection over the algebraic closure of , prime, is bounded by below by the Hilber…