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Castelnuovo-Mumford regularity of canonical and deficiency modules
被引:7
|作者:
Hoa, Le Tuan
Hyry, Eero
机构:
[1] Univ Helsinki, Dept Math, FIN-00014 Helsinki, Finland
[2] Inst Math Hanoi, Hanoi 10307, Vietnam
基金:
芬兰科学院;
关键词:
Castelnuovo-Mumford regularity;
local cohomology;
canonical module;
deficiency module;
homological degree;
D O I:
10.1016/j.jalgebra.2006.05.001
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We give two kinds of bounds for the Castelnuovo-Mumford regularity of the canonical module and the deficiency modules of a ring, respectively, in terms of the homological degree and the Castelnuovo-Mumford regularity of the original ring. (c) 2006 Elsevier Inc. All rights reserved.
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页码:877 / 900
页数:24
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