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Matematicheskie Zametki, 2021, Volume 109, Issue 3, paper published in the English version journal (Mi mzm13057)  

Papers published in the English version of the journal

Some Finiteness Results for Local Cohomology Modules with Respect to a Pair of Ideals

Batoul Naal, Kazem Khashyarmanesh

Department of Pure Mathematics, Faculty of Mathematical Sciences and Center of Excellence in Analysis on Algebraic Structures, Ferdowsi University of Mashhad, Mashhad, 1159-91775 Iran
Abstract: Suppose that $R$ is a commutative Noetherian ring with identity, $I$, $J$ are ideals of $R$, and let $M$ be a finitely generated $R$-module. Let $H^i_{I,J}(-)$ be the $i$th local cohomology functor with respect to $(I, J)$. In this paper, we show that the $R$-module
$$\mathrm{Hom}_R(R/I,H^1_{I,J}(M)/JH^1_{I,J}(M))$$
is always finitely generated. Moreover, we provide sufficient conditions such that the modules
$$ \mathrm{Hom}_R(R/I,H^i_{I,J}(M)/JH^i_{I,J}(M)) \qquad \mathrm{or} \qquad \mathrm{Tor}^R_j(R/I,H^i_{I,J}(M)/JH^i_{I,J}(M)) $$
is finitely generated.
Keywords: local cohomology with respect to a pair of ideals, associated prime ideals, filter regular element.
Received: 03.04.2020
Revised: 16.09.2020
English version:
Mathematical Notes, 2021, Volume 109, Issue 3, Pages 335–346
DOI: https://doi.org/10.1134/S0001434621030020
Bibliographic databases:
Document Type: Article
Language: English
Citation: Batoul Naal, Kazem Khashyarmanesh, “Some Finiteness Results for Local Cohomology Modules with Respect to a Pair of Ideals”, Math. Notes, 109:3 (2021), 335–346
Citation in format AMSBIB
\Bibitem{NaaKha21}
\by Batoul~Naal, Kazem~Khashyarmanesh
\paper Some Finiteness Results for Local Cohomology Modules
with Respect to a Pair of Ideals
\jour Math. Notes
\yr 2021
\vol 109
\issue 3
\pages 335--346
\mathnet{http://mi.mathnet.ru/mzm13057}
\crossref{https://doi.org/10.1134/S0001434621030020}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=4221766}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000670513100002}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85122982968}
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