Articles with "cotorsion pairs" as a keyword



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Cluster Subalgebras and Cotorsion Pairs in Frobenius Extriangulated Categories

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Published in 2018 at "Algebras and Representation Theory"

DOI: 10.1007/s10468-018-9811-7

Abstract: Nakaoka and Palu introduced the notion of extriangulated categories by extracting the similarities between exact categories and triangulated categories. In this paper, we study cotorsion pairs in a Frobenius extriangulated category C$\mathcal {C}$. Especially, for… read more here.

Keywords: extriangulated categories; cotorsion pairs; pairs frobenius; frobenius extriangulated ... See more keywords
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Cotorsion pairs and approximation classes over formal triangular matrix rings

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Published in 2020 at "Journal of Pure and Applied Algebra"

DOI: 10.1016/j.jpaa.2019.106271

Abstract: Abstract Let T = ( A 0 U B ) be a formal triangular matrix ring, where A and B are rings and U is a ( B , A ) -bimodule. Let C 1… read more here.

Keywords: triangular matrix; formal triangular; resp hereditary; cotorsion pairs ... See more keywords
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Tate homology with respect to cotorsion pairs

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Published in 2018 at "Communications in Algebra"

DOI: 10.1080/00927872.2017.1411489

Abstract: ABSTRACT Given two complete hereditary cotorsion pairs (????,ℛ) and in the category of modules which satisfy the conditions ????′⊆????, , and ℛ′ is enveloping, a kind of Tate homology of modules is introduced and investigated… read more here.

Keywords: gorenstein flat; cotorsion pairs; tate homology; homology functors ... See more keywords

One-sided triangulated categories induced by concentric twin cotorsion pairs

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Published in 2019 at "Journal of Algebra and Its Applications"

DOI: 10.1142/s021949882050142x

Abstract: Extriangulated categories were introduced by Nakaoka and Palu by extracting the similarities between exact categories and triangulated categories. Nakaoka and Palu introduced the notion of concentric twin cotorsion pairs in extriangulated categories. In this paper,… read more here.

Keywords: concentric twin; twin cotorsion; triangulated categories; cotorsion pairs ... See more keywords