Lattice structure of torsion classes for hereditary artin algebras

CM Ringel - arXiv preprint arXiv:1402.1260, 2014 - arxiv.org
Let A be a connected hereditary artin algebra. We show that the set of functorially finite
torsion classes of A-modules is a lattice if and only if A is either representation-finite (thus a …

Lattice structure of torsion classes for hereditary Artin algebras

CM Ringel - Nagoya Mathematical Journal, 2018 - cambridge.org
LATTICE STRUCTURE OF TORSION CLASSES FOR HEREDITARY ARTIN ALGEBRAS
Page 1 Nagoya Math. J., 231 (2018), 89–100 DOI 10.1017/nmj.2017.12 LATTICE …

Dynamical combinatorics and torsion classes

E Barnard, G Todorov, S Zhu - Journal of Pure and Applied Algebra, 2021 - Elsevier
For finite semidistributive lattices the map κ gives a bijection between the sets of completely
join-irreducible elements and completely meet-irreducible elements. Here we study the κ …

Cycles in module categories

A Skowroński - Finite dimensional algebras and related topics, 1994 - Springer
Let A be an artin algebra over a commutative artin ring R and mod A be the category of
finitely generated right A-modules. A cycle in mod A is a sequence of non-zero non …

[PDF][PDF] The component quiver of a self-injective artin algebra

A Jaworska, A Skowronski - Colloq. Math, 2011 - academia.edu
We prove that the component quiver ΣA of a connected self-injective artin algebra A of
infinite representation type is fully cyclic, that is, every finite set of components of the …

The Ingalls-Thomas bijections

MAA Obaid, SK Nauman, WM Fakieh… - … Electronic Journal of …, 2016 - dergipark.org.tr
Given a finite acyclic quiver Q with path algebra Λ, Ingalls and Thomas have exhibited a
bijection between the set of Morita equivalence classes of support-tilting modules and the …

Modules not being the middle of short chains

A Jaworska, P Malicki… - The Quarterly Journal of …, 2013 - academic.oup.com
MODULES NOT BEING THE MIDDLE OF SHORT CHAINS Page 1 The Quarterly Journal of
Mathematics Advance Access published on December 23, 2012 Quart. J. Math. 64 (2013) …

On Auslander–Reiten components of algebras without external short paths

A Jaworska, P Malicki… - Journal of the London …, 2012 - Wiley Online Library
We describe the structure of semi‐regular Auslander–Reiten components of artin algebras
without external short paths in the module category. As an application, we give a complete …

Components of Auslander-Reiten quivers with only preprojective modules

FU Coelho - Journal of Algebra, 1993 - Elsevier
with Only Preprojective Modules Page 1 JOURNAL OF ALGEBRA 157, 472–488 (1993)
Components of Auslander–Reiten Ouivers with Only Preprojective Modules FLÁVIO ULHOA …

[PDF][PDF] Left sections and the left part of an Artin algebra

I Assem - Colloq. Math, 2009 - usherbrooke.ca
Let A be an artin algebra. We are interested in studying the representation theory of A, thus
the category mod A of finitely generated right A-modules. For this purpose, we fix a full …