On homological coherence of discrete groups
G Carlsson, B Goldfarb - Journal of Algebra, 2004 - Elsevier
… finite asymptotic dimension is weakly coherent. In particular, there is a large collection of
R[Γ ]-modules of finite homological dimension when R is a finite-dimensional regular ring. This …
R[Γ ]-modules of finite homological dimension when R is a finite-dimensional regular ring. This …
Global dimensions of right coherent rings with left Krull dimension
ML Teply - Bulletin of the Australian Mathematical Society, 1989 - cambridge.org
… left homological dimension of a light coherent, left noetherian … Some extensions to certain
rings with Gabriel dimension in … and left global dimensions of certain right coherent rings. We …
rings with Gabriel dimension in … and left global dimensions of certain right coherent rings. We …
The homological dimensions of symmetric algebras
JE Carrig - Transactions of the American Mathematical Society, 1978 - ams.org
… coherence disappears for higher rank modules and we must rely on cardinality conditions to
give estimates of the dimensions… dimension two, what conditions are forced on the base ring …
give estimates of the dimensions… dimension two, what conditions are forced on the base ring …
Some studies on Π-coherent rings
M Wang - Proceedings of the American Mathematical Society, 1993 - JSTOR
… In this paper, we introduce Wideals and FGT-projective dimension of a ring in … of a ring) and
a classification of If-coherent rings; meanwhile, we also get other interesting results. All rings …
a classification of If-coherent rings; meanwhile, we also get other interesting results. All rings …
∏-COHERENT DIMENSIONS AND∏-COHERENT RINGS
L Mao - Journal of the Korean Mathematical Society, 2007 - koreascience.kr
… In this paper, we define a dimension for rings, called II-coherent dimension, which mea…
dim(R) < wD(R)-- rrcD(R) for a right coherent ring R. Let R and S be right coherent rings, we show …
dim(R) < wD(R)-- rrcD(R) for a right coherent ring R. Let R and S be right coherent rings, we show …
J-coherent rings
N Ding, Y Li, L Mao - Journal of Algebra and Its Applications, 2009 - World Scientific
… between coherent and J-coherent rings. For instance, we prove that R is a left J-coherent ring
if … and J-flat modules are used to define two homological dimensions of modules and rings. …
if … and J-flat modules are used to define two homological dimensions of modules and rings. …
On n-Coherent rings
J Chen, N Ding - Communications in Algebra, 1996 - Taylor & Francis
… -coherent rings for a fixed positive integer n. We give various equivalent conditions for a ring
to be left tz-coherent… the following two lemmas which are standard homological algebra fare. …
to be left tz-coherent… the following two lemmas which are standard homological algebra fare. …
On homological dimensions of simple modules over non-commutative rings
H Zhao-Yong, C Fu-Chang - Communications in Algebra, 1996 - Taylor & Francis
… ring is called a left (right) coherent ring if every finitely generated left (right) ideal is finitely
presented. A left and right coherent ring is called a coherent ring… a commutative coherent ring R…
presented. A left and right coherent ring is called a coherent ring… a commutative coherent ring R…
Classes of d + m rings defined by homological conditions
L Douglas Costa, SE Kabbaj - Communications in Algebra, 1996 - Taylor & Francis
… that polynomial rings in one variable over non-coherent rings of weak dimension one might
be … Examples of noncoherent rings of weak dimension one occur in [GI. (But note that none of …
be … Examples of noncoherent rings of weak dimension one occur in [GI. (But note that none of …
[PDF][PDF] Gorenstein homological properties from coherent rings to arbitary rings
TW Zhao, YG Xu - arXiv preprint arXiv:1405.3375, 2014 - Citeseer
… So, in order to make the properties of relative homological algebra hold over any ring, it …
the Gorenstein homological properties from Noetherian or coherent rings to any rings. In Section …
the Gorenstein homological properties from Noetherian or coherent rings to any rings. In Section …