Cofinite modules and cofiniteness of local cohomology modules
A Vahidi, A Khaksari… - Revista de la Unión …, 2024 - revistas.uns.edu.ar
Let $ n $ be a non-negative integer, $ R $ a commutative Noetherian ring, $\mathfrak {a} $
an ideal of $ R $, $ M $ a finitely generated $ R $-module, and $ X $ an arbitrary $ R …
an ideal of $ R $, $ M $ a finitely generated $ R $-module, and $ X $ an arbitrary $ R …
Some results on generalized local cohomology modules
A Vahidi, M Aghapournahr - Communications in Algebra, 2015 - Taylor & Francis
Let R be a commutative Noetherian ring with nonzero identity, 𝔞 an ideal of R, M a finite R–
module, X an arbitrary R–module, and na non-negative integer. Here, we show that, in the …
module, X an arbitrary R–module, and na non-negative integer. Here, we show that, in the …
[PDF][PDF] Artinianness of local cohomology modules defined by a pair of ideals
Let R be a commutative Noetherian ring and I, J two ideals of R. Let M be a finitely
generated R-module; it is shown that (1) if dimR/(I+ J)= 0, then Hi I, J (M)/JHi I, J (M) is I …
generated R-module; it is shown that (1) if dimR/(I+ J)= 0, then Hi I, J (M)/JHi I, J (M) is I …
Cofiniteness of top local cohomology modules
Let R be a commutative Noetherian ring with non-zero identity, a an ideal of R, M a finitely
generated R-module with finite Krull dimension d, and na non-negative integer. In this …
generated R-module with finite Krull dimension d, and na non-negative integer. In this …
Abelian category of cominimax modules and local cohomology
M Aghapournahr - arXiv preprint arXiv:2306.03433, 2023 - arxiv.org
Let $ R $ be a commutative Noetherian ring, $\fa $ an ideal of $ R $, $ M $ an arbitrary $ R $-
module and $ X $ a finite $ R $-module. We prove that the category of $\fa $-cominimax …
module and $ X $ a finite $ R $-module. We prove that the category of $\fa $-cominimax …
Lower bounds of certain general local cohomology modules
M Behrouzian, M Aghapournahr - Communications in Algebra, 2020 - Taylor & Francis
Let R be a commutative Noetherian ring, Φ a system of ideals of R, a∈ Φ, M an arbitrary R-
module and ta non-negative integer. Let S be a Melkersson subcategory of R-modules …
module and ta non-negative integer. Let S be a Melkersson subcategory of R-modules …
On the cofiniteness of generalized local cohomology modules with respect to the class of modules in dimension less than a fixed integer
A Vahidi, M Papari-Zarei - Communications in Algebra, 2021 - Taylor & Francis
Let n and t be non-negative integers, R a commutative Noetherian ring with dim (R)≤ n+ 2,
a an ideal of R, M and N finite R-modules, and X an arbitrary R-module. We prove that if Ext …
a an ideal of R, M and N finite R-modules, and X an arbitrary R-module. We prove that if Ext …
A characterization of cofinite local cohomology modules in a certain Serre class
H Roshan-Shekalgourabi, D Hassanzadeh-Lelekaami - 2024 - projecteuclid.org
Let R be a commutative Noetherian ring, \mathfraka be an ideal of R, n be a non-negative
integer, X be an arbitrary R-module and L be a finitely generated R-module. We characterize …
integer, X be an arbitrary R-module and L be a finitely generated R-module. We characterize …
Cofiniteness of local cohomology modules in the class of modules in dimension less than a fixed integer
A Vahidi, MP Zarei - Revista de la Unión Matemática Argentina, 2021 - revistas.uns.edu.ar
Abstract Let $ n $ be a non-negative integer, $ R $ a commutative Noetherian ring with $\dim
(R)\leq n+ 2$, $\mathfrak {a} $ an ideal of $ R $, and $ X $ an arbitrary $ R $-module. In this …
(R)\leq n+ 2$, $\mathfrak {a} $ an ideal of $ R $, and $ X $ an arbitrary $ R $-module. In this …
Cofiniteness with respect to the class of modules in dimension less than a fixed integer
A Vahidi, S Morsali - Taiwanese Journal of Mathematics, 2020 - JSTOR
Let R be a commutative Noetherian ring with non-zero identity, na non-negative integer, 𝔞
an ideal of R with dim (R/𝔞)≤ n+ 1, and X an arbitrary R-module. In this paper, we prove the …
an ideal of R with dim (R/𝔞)≤ n+ 1, and X an arbitrary R-module. In this paper, we prove the …