Lyubeznik numbers of projective schemes |
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Authors: | Wenliang Zhang |
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Institution: | Department of Mathematics, University of Michigan, Ann Arbor, MI 48109, United States |
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Abstract: | Let X be a projective scheme over a field k and let A be the local ring at the vertex of the affine cone of X under some embedding . We prove that, when char(k)>0, the Lyubeznik numbers λi,j(A) are intrinsic numerical invariants of X, i.e., λi,j(A) depend only on X, but not on the embedding. |
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Keywords: | MSC: 13D45 14B15 |
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