Gorenstein Homological Dimension of Groups Through Flat-Cotorsion Modules

A Hajizamani - Mathematics Interdisciplinary Research, 2024 - mir.kashanu.ac.ir
‎ The representation theory of groups is one of the most interesting examples of the
interaction between physics and pure mathematics‎,‎ where group rings play the main role‎.‎ …

On Gorenstein homological dimension of groups

Y Luo, W Ren - arXiv preprint arXiv:2205.15542, 2022 - arxiv.org
Let $ G $ be a group and $ R $ be a ring. We define the Gorenstein homological dimension
of $ G $ over $ R $, denoted by ${\rm Ghd} _ {R} G $, as the Gorenstein flat dimension of …

Gorenstein homological dimension and some invariants of groups

W Ren, G Yang - arXiv preprint arXiv:2211.02221, 2022 - arxiv.org
For any group $ G $, the Gorenstein homological dimension ${\rm Ghd} _RG $ is defined to
be the Gorenstein flat dimension of the coefficient ring $ R $, which is considered as an …

Some results on gorenstein flat (gorenstein cotorsion) dimensions of modules over group rings

A Hajizamani - Mathematics and Society, 2022 - math-sci.ui.ac.ir
Let $ R $ be a commutative ring, Γ be a group, and Γ′ be a subgroup of finite index. In this
paper, we study the class of Gorenstein flat (resp. Gorenstein cotorsion) modules over the …

Gorenstein modules and dimension over large families of infinite groups

DD Stergiopoulou - arXiv preprint arXiv:2307.01161, 2023 - arxiv.org
Projectively coresolved Gorenstein flat modules were introduced by Saroch and Stovicek
and were shown to be Gorenstein projective. We give characterizations of Gorenstein …

On Gorenstein injective discrete modules over profinite groups

E Enochs, JRG Rozas, L Oyonarte… - Acta Mathematica …, 2014 - Springer
Gorenstein homological algebra was introduced in categories of modules. But it has proved
to be a fruitful way to study various other categories such as categories of complexes and of …

Gorenstein homological dimensions and abelian model structures

M Pérez - arXiv preprint arXiv:1212.1517, 2012 - arxiv.org
We construct new complete cotorsion pairs in the categories of modules and chain
complexes over a Gorenstein ring $ R $, from the notions of Gorenstein homological …

Gorenstein flat covers and Gorenstein cotorsion modules over integral group rings

E Enochs, S Estrada, B Torrecillas - Algebras and representation theory, 2005 - Springer
Every module over an Iwanaga–Gorenstein ring has a Gorenstein flat cover [13](however,
only a few nontrivial examples are known). Integral group rings over polycyclic-by-finite …

-Gorenstein flat homological dimensions

V Becerril - arXiv preprint arXiv:2203.09012, 2022 - arxiv.org
In this paper we develop the homological properties of the $(\mathcal {L},\mathcal {A}) $-
Gorenstein flat $ R $-modules $\mathcal {GF} _ {(\mathcal {F}(R),\mathcal {A})} $ proposed …

[PDF][PDF] Gorenstein flat dimension with group ring coefficients

W Ren, G Yang - arXiv preprint arXiv:2211.02221, 2022 - researchgate.net
For any group G and any commutative ring R, the Gorenstein homological dimension
GhdRG, defined as the Gorenstein flat dimension of the trivial RG-module R, is …