Pure-minimal chain complexes
Journal article, Peer reviewed
Accepted version
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Date
2019Metadata
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- Institutt for matematiske fag [2581]
- Publikasjoner fra CRIStin - NTNU [39152]
Abstract
We introduce a notion of pure-minimality for chain complexes of modules and show that it coincides with (homotopic) minimality in standard settings, while being a more useful notion for complexes of flat modules. As applications, we characterize von Neumann regular rings and left perfect rings.