On n-Perfect Rings and Cotorsion Dimension

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dc.creatorBennis, D.
dc.creatorMahdou, N.
dc.date2008-01-14
dc.date2008-09-10
dc.date.accessioned2026-07-07T10:01:32Z
dc.date.available2026-07-07T10:01:32Z
dc.descriptionA ring is called $n$-perfect ($n\geq 0$), if every flat module has projective dimension less or equal than $n$. In this paper, we show that the $n$-perfectness relate, via homological approach, some homological dimension of rings. We study $n$-perfectness in some known ring constructions. Finally, several examples of $n$-perfect rings satisfying special conditions are given.
dc.identifierhttps://arxiv.org/abs/0801.2067
dc.identifierhttp://arxiv.org/abs/0801.2067
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/168662
dc.subjectCommutative Algebra
dc.subjectRings and Algebras
dc.titleOn n-Perfect Rings and Cotorsion Dimension
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