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Gorenstein Flat Covers over GF-Closed Rings
Authors:Yang Gang  Liu Zhongkui
Institution:1. School of Mathematics, Physics and Software Engineering , Lanzhou Jiaotong University , Lanzhou , China yanggang@mail.lzjtu.cn;3. College of Mathematics and Information Science , Northwest Normal University , Lanzhou , China
Abstract:We prove that all modules over a left GF-closed ring have Gorenstein flat covers.
Keywords:Cotorsion pairs  GF-closed rings  Gorenstein flat modules  (Pre)covers  (Pre)envelopes
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