Rigid Ideals in Gorenstein Rings of Dimension One

被引:9
|
作者
Huneke, Craig [1 ]
Iyengar, Srikanth B. [2 ]
Wiegand, Roger [3 ]
机构
[1] Univ Virginia, Dept Math, Charlottesville, VA 22904 USA
[2] Univ Utah, Dept Math, Salt Lake City, UT 84112 USA
[3] Univ Nebraska, Dept Math, Lincoln, NE 68588 USA
基金
美国国家科学基金会;
关键词
Complete intersection ring; Gorenstein ring; Rigid module; Tensor product; Torsion;
D O I
10.1007/s40306-018-00315-0
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Motivated by a conjecture of Huneke and Wiegand concerning torsion in tensor products of modules over local rings, we investigate the existence of ideals I in a one-dimensional Gorenstein local ring R satisfying ExtR1(I,I)=0.
引用
收藏
页码:31 / 49
页数:19
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