Cograde conditions and cotorsion pairs
X Tang, Z Huang - Publications of the Research Institute for …, 2020 - ems.press
Let R and S be rings and RωS a semidualizing bimodule. We investigate when the double
functor TorS i (ω, Exti R (ω,−)) preserves epimorphisms and the double functor Exti R (ω …
functor TorS i (ω, Exti R (ω,−)) preserves epimorphisms and the double functor Exti R (ω …
On the grade of modules over noetherian rings
Z Huang - Communications in Algebra®, 2008 - Taylor & Francis
Let Λ be a left and right noetherian ring and mod Λ the category of finitely generated left Λ-
modules. In this article, we show the following results.(1) For a positive integer k, the …
modules. In this article, we show the following results.(1) For a positive integer k, the …