Cotorsion theories cogenerated by a torsionfree class

X Fu, H Zhu, M Sun - Communications in Algebra, 2011 - Taylor & Francis
Let R be a right perfect ring, and let (ℱ, 𝒞) be a cotorsion theory in the category of right R-
modules ℳ R. In this article, it is shown that every right R-module has a superfluous ℱ-cover …
被引用次数：1 相关文章

Cotorsion Theories Cogenerated by a Torsionfree Class

X Fu, H Zhu, M Sun - Communications in Algebra, 2011 - ingentaconnect.com
Let R be a right perfect ring, and let (,) be a cotorsion theory in the category of right R-
modules ℳ R. In this article, it is shown that every right R-module has a superfluous-cover if …