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Dual F-signature

We define the dual F-signature of modules, which is equivalent to the F-signature if the module is the base ring. By using this invariant, We give characterizations of regular, F-regular, F-rational, and Gorenstein singularities.

4 nodes3 linksoverview mapDual F-signature
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4 nodes3 links
Dual F-signature4 visible / 4 total nodes / 3 links
AuthorshipTopic signalTopic signalWDual F-signaturepreprint / 2013AAkiyoshi SannaiResearcherTmath.AG5393 worksTmath.AC1492 works
PaperSignal 103 links

Dual F-signature

preprint / 2013

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