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Published in 2018 at "Archiv der Mathematik"
DOI: 10.1007/s00013-018-1250-5
Abstract: Let $$(R,\mathfrak {m})$$(R,m) be a Noetherian local ring, I be an ideal of R, and M be a finitely generated R-module such that $${\text {H}}_I^t(M)$$HIt(M) is Artinian and I-cofinite, where $$t={\text {cd}}\,(I,M)$$t=cd(I,M). In this paper,…
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Keywords:
top local;
results artinian;
artinian cofinite;
local cohomology ... See more keywords
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Published in 2018 at "Mathematische Zeitschrift"
DOI: 10.1007/s00209-020-02494-9
Abstract: Let R be a polynomial ring over a field. We describe the extremal rays and the facets of the cone of local cohomology tables of finitely generated graded R -modules of dimension at most two.…
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Keywords:
local cohomology;
decomposition graded;
graded local;
cohomology tables ... See more keywords
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Published in 2018 at "Acta Mathematica Vietnamica"
DOI: 10.1007/s40306-018-0246-3
Abstract: AbstractLet (R,????)$(R,\mathfrak {m})$ be a Noetherian local ring, M a non-zero finitely generated R-module, and let I be an ideal of R. In this paper, we establish some new properties of local cohomology modules HIi(M)$\mathrm…
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Keywords:
homomorphic image;
local cohomology;
modules homomorphic;
cohomology modules ... See more keywords
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Published in 2018 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2018.01.045
Abstract: Abstract Let ( R , m ) be a Noetherian local ring and M a finitely generated R-module. Let P ∈ Spec ( R ˆ ) and p = P ∩ R . Then the…
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Keywords:
modules via;
local cohomology;
via certain;
cohomology modules ... See more keywords
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Published in 2020 at "Journal of Pure and Applied Algebra"
DOI: 10.1016/j.jpaa.2019.106247
Abstract: We study the structure of local cohomology with support in Pfaffian varieties as a module over the Weyl algebra D_X of differential operators on the space X of n x n complex skew-symmetric matrices. The…
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Keywords:
numbers pfaffian;
lyubeznik numbers;
local cohomology;
pfaffian rings ... See more keywords
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Published in 2017 at "Nagoya Mathematical Journal"
DOI: 10.1017/nmj.2017.20
Abstract: Let $(R,\mathfrak{m})$ be a Noetherian local ring of characteristic $p>0$ . We introduce and study $F$ -full and $F$ -anti-nilpotent singularities, both are defined in terms of the Frobenius actions on the local cohomology modules…
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Keywords:
frobenius actions;
local cohomology;
modules deformation;
cohomology modules ... See more keywords
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Published in 2021 at "Communications in Algebra"
DOI: 10.1080/00927872.2021.1897831
Abstract: Abstract Let n and t be non-negative integers, R a commutative Noetherian ring with an ideal of R, M and N finite R-modules, and X an arbitrary R-module. We prove that if is an R-module…
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Keywords:
modules respect;
module;
local cohomology;
generalized local ... See more keywords
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Published in 2018 at "Journal of Algebra and Its Applications"
DOI: 10.1142/s0219498818502304
Abstract: Let [Formula: see text] be ideals of a commutative Noetherian ring [Formula: see text] and [Formula: see text] be a finitely generated [Formula: see text]-module. By using filter regular sequences, we show that the infimum…
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Keywords:
local cohomology;
see text;
formula see;
cohomology modules ... See more keywords
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Published in 2019 at "Journal of Algebra and Its Applications"
DOI: 10.1142/s0219498821500158
Abstract: Suppose that R is a commutative ring with identity, I, J are ideals of R, and let M be a finitely generated R-module. Let HI,Ji(−) be the ith local cohomology functor with respect to (I,J).…
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Keywords:
theorems local;
splitting theorems;
modules respect;
local cohomology ... See more keywords
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Published in 2022 at "Journal of Algebra and Its Applications"
DOI: 10.1142/s0219498824502001
Abstract: Let $R$ be a commutative Noetherian ring, $\mathfrak a$ a proper ideal of $R$ and $N$ a nonzero finitely generated $R$-module with $N\neq \mathfrak a N$. Let $c$ be the greatest nonnegative integer $i$ such…
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Keywords:
annihilator top;
local cohomology;
lynch conjecture;
top local ... See more keywords
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Published in 2017 at "Taiwanese Journal of Mathematics"
DOI: 10.11650/tjm/8112
Abstract: We study the finiteness of associated primes and support of the generalized local cohomology modules H I,J(M,N) concerning Grothendieck’s conjecture and Huneke’s question. The paper also discusses the relationship between the vanishing and the finiteness…
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Keywords:
finiteness results;
local cohomology;
results generalized;
generalized local ... See more keywords