Projective covers over local rings

被引:2
|
作者
Ercolanoni, Sofia [1 ]
Facchini, Alberto [1 ]
机构
[1] Univ Padua, Dipartimento Matemat Tullio Levi Civita, I-35121 Padua, Italy
关键词
Projective cover; Local ring; Minimal set of generators; WEAKLY BASED MODULES;
D O I
10.1007/s10231-021-01095-5
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We describe the structure of the projective cover of a module M-R over a local ring R and its relation with minimal sets of generators of M-R. The behaviour of local right perfect rings is completely different from the behaviour of local rings that are not right perfect.
引用
收藏
页码:2631 / 2644
页数:14
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