How to make Ext vanish

被引：194

作者：

Eklof, PC ^{[1
]}

Trlifaj, J

机构：

[1] Univ Calif Irvine, Dept Math, Irvine, CA 92697 USA

[2] Katedra Algebry MFF UK, Prague 18675 8, Czech Republic

来源：

BULLETIN OF THE LONDON MATHEMATICAL SOCIETY | 2001年 / 33卷

基金：

美国国家科学基金会;

关键词：

D O I：

10.1112/blms/33.1.41

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We describe a general construction of a module A from a given module B such that Ext(B, A) = 0, and we apply it to answer several questions on splitters, cotorsion theories and saturated rings.

引用

页码：41 / 51

页数：11

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