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 …

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 …

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 dimensionsdimension 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

∏-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 …

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. …

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. …

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…

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 …

[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 …