Faltings' local-global principle for the finiteness of local cohomology modules
classification
🧮 math.AC
keywords
localcohomologydimensionfinitenessintegerbrodmann-lashgaricompleteequal
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Let (R,m) be a complete local ring, a an ideal of R and M a finitely generated R-module. The aim of this paper is to show that for any non-negative integer n, the least integer i such that the i-th local cohomology with respect to a is not in dimension <n, is equal to the n-th finiteness dimension of M relative to a. This generalizes the main result of Quy and Brodmann-Lashgari.
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