On the dimension of modules and algebras

Web1 de ago. de 2024 · For cluster-tilted algebras of finite type, Ringel [28] and Geng and Peng [21] proved that indecomposable modules are determined by their dimension vectors. Assem and Dupont [2] obtained a positive answer for indecomposable rigid modules over cluster-concealed algebras (cf. also [20]). WebON THE DIMENSION OF MODULES AND ALGEBRAS, VI COMPARISON OF GLOBAL AND ALGEBRA DIMENSION MAURICE AUSLANDER Throughout this paper all rings …

Critères de platitude et de projectivité SpringerLink

Web13 de abr. de 2024 · In this paper we are interested in maximal Lie algebras \(L\) with given nilradical \(N\).As a special but very important case, we often consider solvable Lie … Web31 de jan. de 2024 · The correspondence between four-dimensional N = 2 superconformal field theories and vertex operator algebras, when applied to theories of class S , leads to … smart cities belfast https://adremeval.com

Global dimension - Wikipedia

Web1 de out. de 2024 · More precisely, the rigidity dimension rigdim (A) of a finite-dimensional algebra A is defined to be the supremum of dominant dimensions of endomorphism algebras End A (M) of finite global dimensions with M a generator-cogenerator for the category of A-modules. This dimension is related to higher representation dimension, … Web20 de out. de 2011 · We show that indecomposable exact module categories over the category RepH of representations of a finite-dimensional Hopf algebra H are classified by left comodule algebras, H-simple from the ... Web9 de abr. de 2024 · This first part of a two-volume set offers a modern account of the representation theory of finite dimensional associative algebras over an algebraically … smart cities bayern

A combinatorial characterization of the annihilator varieties of ...

Category:On the projective dimension of tensor products of modules

Tags:On the dimension of modules and algebras

On the dimension of modules and algebras

On the Dimension of Modules and Algebras, II: (Frobenius …

WebContact & Support. Business Office 905 W. Main Street Suite 18B Durham, NC 27701 USA. Help Contact Us Web19 de fev. de 2024 · Let A$\\mathcal {A}$ be an abelian category having enough projective objects and enough injective objects. We prove that if A$\\mathcal {A}$ admits an additive generating object, then the extension dimension and the weak resolution dimension of A$\\mathcal {A}$ are identical, and they are at most the representation dimension of …

On the dimension of modules and algebras

Did you know?

Web28 de mar. de 2015 · To understand the finitistic dimensions of algebras, Igusa and Todorov introduced the φand ψ-dimensions for Artin algebras in [13].Let K(A) be the quotient of the free abelian group generated by ... Web1 de jun. de 2024 · We study which algebras have tilting modules that are both generated and cogenerated by projective-injective modules. Crawley-Boevey and Sauter have shown that Auslander algebras have such tilting modules; and for algebras of global dimension $2$, Auslander algebras are classified by the existence of such tilting modules. In this …

Web7 de jun. de 2012 · It is well known that the category of finite-dimensional kE r -modules mod kE r is of wild type, whenever p ≥ 3 or p = 2 and r > 2. Therefore subclasses with more restrictive properties have ... Web12 de mar. de 2014 · Using the description of the Ziegler spectrum we characterise modules with various stability-theoretic properties (ω-stability, superstability, categoricity) over certain classes of finite-dimensional algebras. We also show that, for modules over the algebras we consider, having few types is equivalent to being ω-stable.

WebHá 1 dia · The converse statement is also true - any Lie algebra whose first cohomology with coefficients in any finite-dimensional module vanishes is semisimple, see [9], … Web1. There exists a decomposition of k -vector spaces A = I ⊕ B where I is a nilpotent two-sided ideal and B is a subalgebra isomorphic to Π i = 1 r M a t p i ( k) 2. For each i the A …

Web4 de abr. de 2024 · We first formulate and prove a version of Premet’s conjecture for finite W-superalgebras associated with basic Lie superalgebras.As in the case of W-algebras, … smart cities benefitsWeb22 de jan. de 2016 · In this paper we study Frobenius algebras and quasi-Frobenius rings with particular emphasis on their cohomological dimensions. For definitions of these … hillcrest baptist church in el paso txWeb7 de ago. de 2024 · Every conformal field theory has the symmetry of taking each field to its adjoint. We consider here the quotient (orbifold) conformal field theory obtained by … hillcrest baptist church hillcrest heights mdWebON THE DIMENSION OF MODULES AND ALGEBRAS, V. DIMENSION OF RESIDUE RINGS SAMUEL EILENBERG and TADASI NAKAYAMA We shall consider a semi … smart cities boussiasWeb22 de jan. de 2016 · The questions concerning the dimension of the tensor product of two K-algebras have turned out to be surprisingly difficult. In this paper we follow a method … smart cities berlinWeb31 de jan. de 2024 · The correspondence between four-dimensional N = 2 superconformal field theories and vertex operator algebras, when applied to theories of class S , leads to a rich family of VOAs that have been given the monicker chiral algebras of class S . A remarkably uniform construction of these vertex operator algebras has been put forward … hillcrest baptist church jasper texasWebHá 1 dia · The converse statement is also true - any Lie algebra whose first cohomology with coefficients in any finite-dimensional module vanishes is semisimple, see [9], Theorem 25.1. By Whitehead's second lemma, for a semisimple Lie algebra g we also have H 2 (g, M) = 0 for every finite-dimensional g-module M. However, the converse is no … smart cities blockchain