Cofiniteness of local cohomology modules and subcategories of modules

被引:1
|
作者
Takahashi, Ryo [1 ]
Wakasugi, Naoki [1 ]
机构
[1] Nagoya Univ, Grad Sch Math, Furocho,Chikusaku, Nagoya 4648602, Japan
关键词
Local cohomology module; Cofinite module; Abelian subcategory; Thick subcategory; Serre subcategory; Resolving subcategory; Support; Nonfree locus; Infinite projective dimension locus; Large restricted flat dimension; DIMENSIONS;
D O I
10.1007/s13348-023-00416-6
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let R be a commutative noetherian ring and I an ideal of R. Assume that for all integers i the local cohomology module H-I(i) (R) is I-cofinite. Suppose that R-p is a regular local ring for all prime ideals p that do not contain I. In this paper, we prove that if the I-cofinite modules form an abelian category, then for all finitely generated R-modules M and all integers i, the local cohomology module H-I(i) (M) is I-cofinite.
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页码:1 / 10
页数:10
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