Year: 2026
Type: article
Abstract: Let $R$ be a commutative Noetherian ring, $I$ an ideal of $R$ and $M$ an arbitrary $R$-module. We show that if the set $X=\cup_{i\geq 2}{\rm Supp}_R({\rm H}^{i}_{I}(R))$ is finite, then the category of all weakly cofinite modules with respect to the ideal $I$ of $R$ is an Abelian subcategory of the category of $R$-modules. In particular, it is true whenever ${\rm q}(I,R)\leq 1$.
Authors: Moharram Aghapournahr, Nader Omidi
Institutions: Arak University, Islamic Azad University, Tehran
Language: English
Subfield: Algebra and Number Theory
Field: Mathematics
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W7128965011