Homological epimorphisms, compactly generated t-structures and Gorenstein-projective modules
N Gao, X Xu - Chinese Annals of Mathematics, Series B, 2018 - Springer
The aim of this paper is two-fold. Given a recollement (T′, T, T ″, i*, i*, i!, j!, j*, j*), where
T′, T, T ″are triangulated categories with small coproducts and T is compactly generated …
T′, T, T ″are triangulated categories with small coproducts and T is compactly generated …
Recollements induced by monomorphism categories
Z Wang, Z Liu - Journal of Algebra, 2022 - Elsevier
Let R be any associative ring, na positive integer and X a full subcategory of the category of
R-modules. The monomorphism category S n (X) of X consists of all the objects (X i, φ i) …
R-modules. The monomorphism category S n (X) of X consists of all the objects (X i, φ i) …
Special precovered categories of Gorenstein categories
T Zhao, Z Huang - Science China Mathematics, 2019 - Springer
Let A be an abelian category and P (A) be the subcategory of A consisting of projective
objects. Let C be a full, additive and self-orthogonal subcategory of A with P (A) a generator …
objects. Let C be a full, additive and self-orthogonal subcategory of A with P (A) a generator …
N-recollements and Virtually Gorenstein Algebras
D Shen, H Su - arXiv preprint arXiv:2302.06977, 2023 - arxiv.org
The relation between the $ n $-recollements of stable categories of Gorenstein projective
modules and the virtual Gorensteinness of algebras are investigated. Let $ A, B $, and $ C …
modules and the virtual Gorensteinness of algebras are investigated. Let $ A, B $, and $ C …
[HTML][HTML] Gorenstein-projective modules and symmetric recollements
P Zhang - Journal of Algebra, 2013 - Elsevier
We introduce compatible bimodules. If M is a compatible A–B-bimodule, then the Gorenstein-
projective modules over algebra Λ=(AM0B) are explicitly described; and if Λ is Gorenstein …
projective modules over algebra Λ=(AM0B) are explicitly described; and if Λ is Gorenstein …
Verdier quotients of homotopy categories of rings and Gorenstein-projective precovers
M Cortés-Izurdiaga - Science China Mathematics, 2024 - Springer
Let R be a ring, Proj be the class of all the projective right R-modules, K be the full
subcategory of the homotopy category K (Proj) whose class of objects consists of all the …
subcategory of the homotopy category K (Proj) whose class of objects consists of all the …
[HTML][HTML] Separated monic representations I: Gorenstein-projective modules
XH Luo, P Zhang - Journal of Algebra, 2017 - Elsevier
For a finite acyclic quiver Q, an ideal I of a path algebra kQ generated by monomial relations,
and a finite-dimensional k-algebra A, we introduce the separated monic representations of a …
and a finite-dimensional k-algebra A, we introduce the separated monic representations of a …
Relative singularity categories and Gorenstein‐projective modules
XW Chen - Mathematische Nachrichten, 2011 - Wiley Online Library
We introduce the notion of relative singularity category with respect to a self‐orthogonal
subcategory ω of an abelian category. We introduce the Frobenius category of ω‐Cohen …
subcategory ω of an abelian category. We introduce the Frobenius category of ω‐Cohen …
Gorenstein coresolving categories
Z Gao, L Xu - Communications in Algebra, 2017 - Taylor & Francis
Let 𝒜 be an abelian category. A subcategory 𝒳 of 𝒜 is called coresolving if 𝒳 is closed under
extensions and cokernels of monomorphisms and contains all injective objects of 𝒜. In this …
extensions and cokernels of monomorphisms and contains all injective objects of 𝒜. In this …
Notes on stability of Gorenstein categories
A Xu - Journal of Algebra and Its Applications, 2013 - World Scientific
Let be a class of left R-modules that contains all projective left R-modules. We study a kind
of stability of-Gorenstein projective modules and settle in affirmative the following question …
of stability of-Gorenstein projective modules and settle in affirmative the following question …