兰州理工大学学报 ›› 2022, Vol. 48 ›› Issue (1): 161-167.

• 数理科学 • 上一篇    下一篇

Frobenius扩张下的W-Gorenstein内射性

宋维*   

  1. 浙江机电职业技术学院 数学教研室, 浙江 杭州 310053
  • 收稿日期:2021-07-22 出版日期:2022-02-28 发布日期:2022-03-09
  • 通讯作者: 宋维(1981-),女,浙江上虞人,硕士,讲师.Email:23840211@qq.com
  • 基金资助:
    浙江省自然科学基金(LY16A010003)

W-Gorenstein injectivity under Frobenius extensions

SONG Wei   

  1. Mathematics Teaching and Research Section, Zhejiang Institute of Mechanical and Electrical Engineering, Hangzhou 310053, China
  • Received:2021-07-22 Online:2022-02-28 Published:2022-03-09

摘要: 对于一个广义的倾斜模WR,定义了WR-Gorenstein内射模和WR-Gorenstein内射维数,证明了在环Frobenius扩张下,模的W-Gorenstein内射模性是保持的,即对于MR、MR是一个WR-Gorenstein内射模当且仅当MⓧRSS是一个(WⓧRSS)S-Gorenstein内射模,并讨论了模的WR-Gorenstein内射维数在Frobenius扩张下的保持性.此外,作为应用,得到了一些与同调维数相关的有意义的推论.

关键词: 广义倾斜模, Frobenius扩张, W-Gorenstein内射模

Abstract: The notions of WR-Gorenstein injective module and WR-Gorenstein injective dimension respect to a generalized tilting moduleWR,and it is prove that the W-Gorenstein injectivity is preserved under Frobenius extensions, that is, for a Frobenius extension S/R and an R-ModuleMR,MR is WR-Gorenstein injective if and only ifMⓧRSS is (WⓧRSS)S-Gorenstein injective. Some properties of WR-Gorenstein injective dimension are obtained. Furtheremore,as an applications, some valuable corollaries about some classical homological dimension as applications.

Key words: feneralized tilting modules, Frobenius extension, W-Gorenstein injective modules

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