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COFINITENESS AND COASSOCIATED PRIMES OF LOCAL COHOMOLOGY MODULES
Arak Univ, Arak, Iran.
Linköping University, Department of Mathematics, Applied Mathematics. Linköping University, The Institute of Technology.
2009 (English)In: Mathematica Scandinavica, ISSN 0025-5521, E-ISSN 1903-1807, Vol. 105, no 2, 161-170 p.Article in journal (Refereed) Published
Abstract [en]

Let R be a noetherian ring, alpha an ideal of R such that dim R/alpha = 1 and M a finite R-module. We will study cofiniteness and some other properties of the local cohomology modules H-alpha(i)(M). For an arbitrary ideal alpha and an R-module M (not necessarily finite), we will characterize alpha-cofinite artinian local cohomology modules. Certain sets of coassociated primes of top local cohomology modules over local rings are characterized.

Place, publisher, year, edition, pages
2009. Vol. 105, no 2, 161-170 p.
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Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-52888OAI: oai:DiVA.org:liu-52888DiVA: diva2:285768
Available from: 2010-01-13 Created: 2010-01-12 Last updated: 2017-12-12

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Melkersson, Leif

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