We describe the structure of the projective cover of a module MR over a local ring R and its relation with minimal sets of generators of MR. The behaviour of local right perfect rings is completely different from the behaviour of local rings that are not right perfect.
Projective covers over local rings
Ercolanoni S.Membro del Collaboration Group
;Facchini A.
2021
Abstract
We describe the structure of the projective cover of a module MR over a local ring R and its relation with minimal sets of generators of MR. The behaviour of local right perfect rings is completely different from the behaviour of local rings that are not right perfect.
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