Rings satisfying every finitely generated module has a Gorenstein projective (pre)envelope
Rings satisfying every finitely generated module has a Gorenstein projective (pre)envelope
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满足每个有限生成模块的环具有 Gorenstein 投影(预)包络
DOI:
10.1080/00927872.2017.1365880
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发表时间:
2018-05
影响因子:
0.7
通讯作者:
Lixin Mao
中科院分区:
文献类型:
--
作者:
Lixin Mao
ABSTRACT Let R be a ring. We introduce the concept of Gorenstein f-projective R-modules and obtain some closure properties of Gorenstein f-projective R-modules. As a consequence, we discuss when every finitely generated R-module has a finitely generated Gorenstein projective (pre)envelope. For example, we prove that every finitely generated (left and right) R-module has a finitely generated Gorenstein projective preenvelope if and only if R is a two-sided coherent ring and has a finitely generated Gorenstein projective precover for every finitely generated (left and right) R-module M.
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