Homological dimension based on a class of Gorenstein flat modules

G Dalezios, I Emmanouil - Comptes …, 2023 - comptes-rendus.academie-sciences …
… If M is a module of finite flat dimension, then M has finite Gorenstein flat dimension as well
… note that any Gorenstein flat module of finite projective dimension is necessarily flat. Indeed, …

Finiteness criteria for Gorenstein flat dimension and stability

I Kaperonis, DD Stergiopoulou - Communications in Algebra, 2024 - Taylor & Francis
… modules is contained in the class of Gorenstein flat modules. This paper proves … of finite
Gorenstein flat dimension to be projectively coresolved Gorenstein flat, or of finite flat dimension. …

[HTML][HTML] Gorenstein flat modules and dimensions over formal triangular matrix rings

L Mao - Journal of Pure and Applied Algebra, 2020 - Elsevier
… In addition, we give an estimate of Gorenstein flat dimension of a left T-module. It is proven
… left global Gorenstein flat dimension, U B is flat, U A has finite flat or injective dimension, then …

[引用][C] Gorenstein -flat dimension of complexes and relative singularity categories

W Chen - Journal of Algebra and Its Applications, 2023 - World Scientific
Gorenstein (L, A)-flat modules is closed under extensions. We define a notion of Gorenstein
(L, A)-flat dimension … of the finiteness of Gorenstein (L, A)-flat dimension of complexes. Fur…

Modules of finite Gorenstein flat dimension and approximations

I Emmanouil - Mathematische Nachrichten, 2024 - Wiley Online Library
Gorenstein flat dimension by (projectively coresolved) Gorenstein flat modules and modules
of finite flat dimension… These approximations determine the Gorenstein flat dimension and …

Projectively coresolved Gorenstein flat dimension of groups

DD Stergiopoulou - Journal of Algebra, 2024 - Elsevier
dimension enjoys all the properties of the cohomological and the Gorenstein cohomological
dimension… module of finite flat dimension, then M has finite Gorenstein flat dimension as well …

[PDF][PDF] Model structures, n-Gorenstein flat modules and PGF dimensions

R El Maaouy - arXiv e-prints, 2023 - researchgate.net
… We show (Theorem 4.2) that a ring R is left n-perfect if and only if every Gorenstein flat
left R-module has PGF dimension less than n. In the case n = 0, we obtain other equivalent …

-Gorenstein flat homological dimensions

V Becerril - arXiv preprint arXiv:2203.09012, 2022 - arxiv.org
… A natural question is whether all (L, A)-Gorenstein projective R-modules are (L, A)-Gorenstein
flat, for now we will prove this for a symmetric duality pair {L, A}. Thus, the inequality Gfd(F,…

A refinement of Gorenstein flat dimension via the flat–cotorsion theory

LW Christensen, S Estrada, L Liang, P Thompson… - Journal of Algebra, 2021 - Elsevier
… We introduce a refinement of the Gorenstein flat dimension for … dimension without extra
assumptions on the ring. Crucially, we show that it coincides with the Gorenstein flat dimension

Frobenius functors and Gorenstein flat dimensions

J Hu, H Li, Y Geng, D Zhang - Communications in Algebra, 2020 - Taylor & Francis
… R-module X, the Gorenstein flat dimension of X is equal to the Gorenstein flat dimension of
F(X), … In Section 4, we consider when the Gorenstein flat dimension of modules is preserved …