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Results tagged with cohomology
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user 90006
A branch of algebraic topology concerning the study of cocycles and coboundaries. It is in some sense a dual theory to homology theory. This tag can be further specialized by using it in conjunction with the tags group-cohomology, etale-cohomology, sheaf-cohomology, galois-cohomology, lie-algebra-cohomology, motivic-cohomology, equivariant-cohomology, ...
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A version of Peskine and Szpiro's theorem in vanishing of local cohomology
Szpiro in "Dimension projective finie et cohomologie locale",(Proposition 4.1) proved the following vanishing theorem for local cohomology:
Let$R$ be a regular local ring of characteristic $p\gneqq 0$ …
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