Multiplicity and tight closures of parameters

被引:26
作者
Goto, S
Nakamura, Y
机构
[1] Department of Mathematics, School of Science and Technology, Meiji University
关键词
Cohen-Macaulay ring; F-rational ring; multiplicity; tight closure;
D O I
10.1006/jabr.2001.8907
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
In this paper we investigate the relation between the multiplicity and the tight closure of a parameter ideals. We shall show that local rings having a parameter ideal whose multiplicity agrees with the colength of its tight closure are Cohen-Macaulay rings. (C) 2001 Academic Press.
引用
收藏
页码:302 / 311
页数:10
相关论文
共 7 条
[1]  
Bruns W., 1993, CAMBRIDGE STUDIES AD, V39
[2]  
Fedder Richard, 1989, Commutative algebra, V15, P227, DOI DOI 10.1007/978-1-4612-3660-3_11
[3]  
GOTO S, 1980, THEORY UNCONDITIONED
[4]  
GOTO S, UNPUB FINITENESS SUP
[5]  
Hochster M., 1990, J AM MATH SOC, V3, P31
[6]   GENERALIZED COHEN-MACAULAY MODULES [J].
SCHENZEL, P ;
TRUNG, NV ;
CUONG, NT .
MATHEMATISCHE NACHRICHTEN, 1978, 85 :57-73
[7]   Hilbert-Kunz multiplicity and an inequality between multiplicity and colength [J].
Watanabe, K ;
Yoshida, K .
JOURNAL OF ALGEBRA, 2000, 230 (01) :295-317