Lattice structure of torsion classes for path algebras

被引:26
|
作者
Iyama, Osamu [1 ]
Reiten, Idun [2 ]
Thomas, Hugh [3 ]
Todorov, Gordana [4 ]
机构
[1] Nagoya Univ, Grad Sch Math, Chikusa Ku, Nagoya, Aichi 4648602, Japan
[2] Norges Teknisk Naturvitenskapelige Univ, Dept Math Sci, N-7491 Trondheim, Norway
[3] Univ New Brunswick, Dept Math & Stat, Fredericton, NB E3B 5A3, Canada
[4] Northeastern Univ, Dept Math, Boston, MA 02115 USA
基金
美国国家科学基金会; 加拿大自然科学与工程研究理事会;
关键词
REPRESENTATIONS;
D O I
10.1112/blms/bdv041
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We consider module categories of path algebras of connected acyclic quivers. It is shown in this paper that the set of functorially finite torsion classes form a lattice if and only if the quiver is either Dynkin quiver of type A, D, E, or the quiver has exactly two vertices.
引用
收藏
页码:639 / 650
页数:12
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