Please use this identifier to cite or link to this item: https://research.matf.bg.ac.rs/handle/123456789/1397
Title: Finite generativity of homology and cohomology modules
Authors: Jovanović, Milica 
Stojčič, Petar
Keywords: homology;cohomology;finitely generated module
Issue Date: 2024
Publisher: Beograd : Društvo Matematičara Srbije
Journal: The Teaching of Mathematics
Abstract: 
In this paper, we consider the following question: if all homology groups of a space X are finitely generated, and if R is a commutative ring with identity, is it true that the homology and cohomology R-modules Hi(X; R) and Hi(X; R) are also finitely generated? We show that the answer to this question is negative in general, but affirmative if R is an integral domain. In the case when R is a principal ideal domain, and Hi(X; R) is finitely generated for all i, we also discuss computing Hi(X; M ) and Hi(X; M ) for a finitely generated R-module M .
URI: https://research.matf.bg.ac.rs/handle/123456789/1397
DOI: 10.57016/TM-NSXY8680
Rights: Attribution 3.0 United States
Appears in Collections:Research outputs

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