吉林大学学报(理学版) ›› 2022, Vol. 60 ›› Issue (6): 1308-1316.

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强Prüfer环上的半正则平坦模

张晓磊1, 戴国成2, 肖雪莲3, 齐薇1   

  1. 1. 山东理工大学 数学与统计学院, 山东 淄博 255049; 2. 四川师范大学 数学科学学院, 成都 610066; 3. 阿坝师范学院 数学学院, 四川 汶川 623002
  • 收稿日期:2022-03-13 出版日期:2022-11-26 发布日期:2022-11-26
  • 通讯作者: 张晓磊 E-mail:zxlrghj@163.com

Semi-regular Flat Modules over Strong Prüfer Rings

ZHANG Xiaolei1, DAI Guocheng2, XIAO Xuelian3, QI Wei1   

  1. 1. School of Mathematics and Statistics, Shandong University of Technology, Zibo 255049, Shandong Province, China;
    2. School of Mathematical Sciences, Sichuan Normal University, Chengdu 610066, China;
    3. School of Mathematics, Aba Teachers University, Wenchuan 623002, Sichuan Province, China
  • Received:2022-03-13 Online:2022-11-26 Published:2022-11-26

摘要: 利用半正则余平坦模刻画强Prüfer环, 即证明环R是强Prüfer环当且仅当R的任意理想都是半正则平坦模, 当且仅当半正则平坦模的任意
子模都是半正则平坦模, 当且仅当任意R-模都有满的半正则平坦包.

关键词: 半正则平坦模, DQ环, 强Prüfer环, 半正则凝聚环

Abstract: We  characterized strong Prüfer rings by using semi-regular flat modules. Namely, we proved that a ring R was strong Prüfer if and only if any ideal of R was semi-regular flat module, if and only if any submodule of a semi-regular flat module was semi-regular flat module, if and only if any R-module had an epimorphic semi-regular flat envelope.

Key words: semi-regular flat module, DQ ring, strong Prüfer ring, semi-regular coherent ring

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