2005•arXiv (Cornell University)Open access

Finiteness of extension functors of local cohomology modules

Mohammad T. Dibaei, Siamak Yassemi

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Abstract

Let $R$ be a commutative Noetherian ring, $\fa$ an ideal of $R$ and $M$ a finitely generated $R$--module. Let $t$ be a non-negative integer such that $\H^i_\fa(M)$ is $\fa$--cofinite for all $i

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Let $R$ be a commutative Noetherian ring, $\fa$ an ideal of $R$ and $M$ a finitely generated $R$--module. Let $t$ be a non-negative integer such that $\H^i_\fa(M)$ is $\fa$--cofinite for all $i

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Available abstract

Let $R$ be a commutative Noetherian ring, $\fa$ an ideal of $R$ and $M$ a finitely generated $R$--module. Let $t$ be a non-negative integer such that $\H^i_\fa(M)$ is $\fa$--cofinite for all $i

Key concepts: Extension (predicate logic), Functor, Mathematics, Pure mathematics, Ext functor, Local cohomology, Computer science, Functor category

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