Degrees and composition of irreducible morphisms in almost pre-sectional paths

C Chaio - Algebras and Representation Theory, 2014 - Springer
We consider A to be an artin algebra. We characterize the irreducible morphisms of left
degree two. We study the non-zero composition of irreducible morphisms in almost pre …

Constructing tilting modules

O Kerner, J Trlifaj - Transactions of the American Mathematical Society, 2008 - ams.org
We investigate the structure of (infinite dimensional) tilting modules over hereditary artin
algebras. For connected algebras of infinite representation type with Grothendieck group of …

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 …

On artin algebras with almost all indecomposable modules of projective or injective dimension at most one

A Skowroński - Central European Journal of Mathematics, 2003 - Springer
Let A be an artin algebra over a commutative artin ring R and ind A the category of
indecomposable finitely generated right A-modules. Denote L _A to be the full subcategory …

[PDF][PDF] On selfinjective artin algebras having nonperiodic generalized standard Auslander-Reiten components

A Skowronski, K Yamagata - Colloq. Math, 2003 - academia.edu
We describe the structure of all selfinjective artin algebras having at least three nonperiodic
generalized standard Auslander–Reiten components. In particular, all selfinjective artin …

[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 …

[HTML][HTML] A note on relative tilting modules

J Wei - Journal of pure and applied algebra, 2010 - Elsevier
Bazzoni had given a simple characterization of infinitely generated n-tilting modules.
Though her method is even inapplicable to classical n-tilting modules over Artin algebras …

The preprojective algebra of a tame hereditary Artin algebra

D Baer, W Geigle, H Lenzing - Communications in Algebra, 1987 - Taylor & Francis
If A is a finite dimensional hereditary k-algebra, the direct sum of a representative system of
indecomposable left (right) A-modules can be given the structure of a-usually infinite …

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 …

Tilted algebras and short chains of modules

A Jaworska, P Malicki, A Skowroński - Mathematische Zeitschrift, 2013 - Springer
We provide an affirmative answer for the question raised almost 20 years ago in Reiten et
al.(Proc. Am. Math. Soc. 117: 343–354, 1993) concerning the characterization of tilted artin …