Cohen-Macaulayness versus the vanishing of the first Hilbert coefficient of parameter ideals

被引:30
作者
Ghezzi, L. [1 ]
Goto, S. [2 ]
Hong, J. [3 ]
Ozeki, K. [2 ]
Phuong, T. T. [4 ]
Vasconcelos, W. V. [5 ]
机构
[1] CUNY City Coll, Dept Math, Brooklyn, NY 11201 USA
[2] Meiji Univ, Dept Math, Sch Sci & Technol, Tama Ku, Kawasaki, Kanagawa 2148571, Japan
[3] So Connecticut State Univ, Dept Math, New Haven, CT 06515 USA
[4] Ton Duc Thang Univ, Dept Informat Technol & Appl Math, Ho Chi Minh City, Vietnam
[5] Rutgers State Univ, Dept Math, Piscataway, NJ 08854 USA
来源
JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES | 2010年 / 81卷
基金
美国国家科学基金会;
关键词
LOCAL-RINGS; MODULES;
D O I
10.1112/jlms/jdq008
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The conjecture of Wolmer Vasconcelos on the vanishing of the first Hilbert coefficient e(1)(Q) is solved affirmatively, where Q is a parameter ideal in a Noetherian local ring. Basic properties of the rings for which e(1)(Q) vanishes are derived. The invariance of e(1)(Q) for parameter ideals Q and its relationship to Buchsbaum rings are studied.
引用
收藏
页码:679 / 695
页数:17
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