The Depth of Invariant Rings and Cohomol
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Gregor Kemper
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Article
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2001
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Elsevier Science
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English
β 426 KB
Let G be a finite group acting linearly on a vector space V over a field K of positive characteristic p and let P β€ G be a Sylow p-subgroup. Ellingsrud and Skjelbred [Compositio Math. 41 (1980), 233-244] proved the lower bound for the depth of the invariant ring, with equality if G is a cyclic p-gr