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.
引用
收藏
页码:877 / 900
页数:24
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