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- Title
Copresented Dimension of Modules.
- Authors
Amini, M.; Hassani, F.
- Abstract
In this paper, a new homological dimension of modules, co-presented dimension, is defined. We study some basic properties of this homological dimension. Some ring extensions are considered, too. For instance, we prove that if S ≥ R is a finite normalizing extension and SR is a projective module, then for each right S-module MS, the cop-resented dimension of MS does not exceed the copresented dimension of HomR(S,M).
- Publication
Iranian Journal of Mathematical Sciences & Informatics, 2019, Vol 14, Issue 2, p153
- ISSN
1735-4463
- Publication type
Article
- DOI
10.7508/ijmsi.2019.02.012