Problems on local cohomology

C Huneke - Free resolutions in commutative algebra and …, 2023 - taylorfrancis.com
… the least number at which such vanishing occurs by defining the cohomological dimension
… the injective resolution of the local cohomology has only finitely many copies of the injective

Complete cohomological functors on groups

TV Gedrich, KW Gruenberg - Topology and its Applications, 1987 - Elsevier
… Assume K has jinite injective dimension t as K-module. If A is a Kprojective A-… P has A-injective
dimension s m + t. By Lemma 2.2 we need only show that for every injective K-module

On the cofiniteness of local cohomology modules

D Delfino - … Proceedings of the Cambridge Philosophical Society, 1994 - cambridge.org
dimensional ring and let M be a finitely generated /2-module. Since the local cohomology
modules … Induction on the length of a prime filtration of N shows that it suffices to prove the …

Cofinite modules and local cohomology

D Delfino, T Marley - Journal of Pure and Applied Algebra, 1997 - Elsevier
… Finally, we prove that if M is an n-dimensional finitely generated module over a Noetherian
local ring R and I is any ideal of R, then H;(M) is I-cofinite. @ 1997 Elsevier Science BV …

[HTML][HTML] Finiteness properties of local cohomology modules: a characteristic-free approach

G Lyubeznik - Journal of Pure and Applied Algebra, 2000 - Elsevier
… is an R -module, we denote by H Y i (R) the i th local cohomology module of M with support
… Let k and R be such that R f has finite length in the category of D(R,k) -modules for every f∈…

Cofiniteness and vanishing of local cohomology modules

C Huneke, J Koh - Mathematical Proceedings of the Cambridge …, 1991 - cambridge.org
… local cohomology of R with support in / is /-cofinite. Finally we extend (ii) above to dimension
… Since the injective dimension of H is 1 by Proposition 3-l (iii), we get from the induced long …

Bass numbers of local cohomology modules

CL Huneke, RY Sharp - Transactions of the American Mathematical Society, 1993 - ams.org
cohomology module has finite set of associated prime ideals, and that, whenever such a local
cohomology module is Artinian, then it must be injective… low-dimensional evidence related …

Homological aspects of semidualizing modules

R Takahashi, D White - Mathematica Scandinavica, 2010 - JSTOR
… between relative cohomology modules and absolute cohomology modules in this … dimension.
In parallel, we develop the dual theory for injective dimension and C-injective dimension

Cohomological dimension of a group with respect to finite modules

JJ Martínez - Transactions of the American Mathematical Society, 1977 - ams.org
… paper is to compare the cohomological dimension of a group, relative to finite modules, with
the cohomological dimension, in the usual … Now, let Q be an injective G-module. Since Q is 5-…

Properties of cofinite modules and applications to local cohomology

L Melkersson - … Proceedings of the Cambridge Philosophical Society, 1999 - cambridge.org
… In Theorem 2·1 we prove that if A is a local ring of dimension at most two we actually … the
injective hull E(M) of M decomposes as a finite direct sum of indecomposable injective modules: …