[引用][C] The global homological dimensions of trivial extensions of rings
C Löfwall - Journal of Algebra, 1976 - Elsevier
Let R be a ring, and M a bimodule over R. The trivial extension R x M is as abelian group
R@ M and the multiplication is given by (I, m)(r', m')=(rr', rm'+ mr'). Palmer and Roos give in …
R@ M and the multiplication is given by (I, m)(r', m')=(rr', rm'+ mr'). Palmer and Roos give in …
Resolving subcategories closed under certain operations and a conjecture of Dao and Takahashi
A Sadeghi, R Takahashi - Michigan Mathematical Journal, 2021 - projecteuclid.org
Let R be a commutative Noetherian local ring with residue field k. Let X be a resolving
subcategory of finitely generated R-modules. This paper mainly studies when X contains k …
subcategory of finitely generated R-modules. This paper mainly studies when X contains k …
Local cohomology modules and Gorenstein injectivity with respect to a semidualizing module
MR Zargar - Archiv der Mathematik, 2013 - Springer
Let (R, m) be a local ring, and let C be a semidualizing R-module. In this paper, we are
concerned with the C-injective and GC-injective dimensions of certain local cohomology …
concerned with the C-injective and GC-injective dimensions of certain local cohomology …
[PDF][PDF] Gorenstein homological dimensions with respect to a semidualizing module
Z Zhang, J Wei - International Electronic Journal of Algebra, 2018 - dergipark.org.tr
In this paper, let R be a commutative ring and C a semidualizing module. We investigate the
(weak) C-Gorenstein global dimension of R and we get a simple formula to compute the C …
(weak) C-Gorenstein global dimension of R and we get a simple formula to compute the C …
On the existence of certain modules of finite Gorenstein homological dimensions
K Divaani-Aazar, FM Aghjeh Mashhad… - Communications in …, 2014 - Taylor & Francis
Let (R, 𝔪) be a commutative Noetherian local ring. It is known that R is Cohen–Macaulay if
there exists either a nonzero finitely generated R-module of finite injective dimension or a …
there exists either a nonzero finitely generated R-module of finite injective dimension or a …
[HTML][HTML] Subprojectivity in abelian categories
In the last few years, López-Permouth and several collaborators have introduced a new
approach in the study of the classical projectivity, injectivity and flatness of modules. This …
approach in the study of the classical projectivity, injectivity and flatness of modules. This …
[PDF][PDF] Resolving subcategories of triangulated categories and relative homological dimension.
X Ma, T Zhao, Z Huang - Acta Mathematica Sinica, 2017 - maths.nju.edu.cn
Acta Mathematica Sinica, English Series Page 1 Acta Mathematica Sinica, English Series
Nov., 2017, Vol. 33, No. 11, pp. 1513–1535 Published online: July 15, 2017 https://doi.org/10.1007/s10114-017-6416-8 …
Nov., 2017, Vol. 33, No. 11, pp. 1513–1535 Published online: July 15, 2017 https://doi.org/10.1007/s10114-017-6416-8 …
Finite homological dimension of Hom and vanishing of Ext
For finitely generated modules $ M $ and $ N $ over a commutative Noetherian local ring $
R $, we give various sufficient criteria for detecting freeness of $ M $ or $ N $ via vanishing …
R $, we give various sufficient criteria for detecting freeness of $ M $ or $ N $ via vanishing …
Abelian category of cominimax and weakly cofinite modules
M Aghapournahr - 2016 - projecteuclid.org
Let R be a commutative Noetherian ring, I an ideal of R and M an arbitrary R-module. Let S
be a Serre subcategory of the category of R-modules. It is shown that the R-module …
be a Serre subcategory of the category of R-modules. It is shown that the R-module …
Top local cohomology modules and Gorenstein injectivity with respect to a semidualizing module
Let (R, m) be a commutative Noetherian local ring of Krull dimension d, and let C be a
semidualizing R-module. In this paper, it is shown that if R is complete, then C is a dualizing …
semidualizing R-module. In this paper, it is shown that if R is complete, then C is a dualizing …