A geometric model for cluster categories of type Dn

被引:59
作者
Schiffler, Ralf [1 ]
机构
[1] Univ Massachusetts, Dept Math & Stat, Amherst, MA 01003 USA
关键词
cluster category; triangulated surface; punctured polygon; elementary move;
D O I
10.1007/s10801-007-0071-6
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We give a geometric realization of cluster categories of type D-n using a polygon with n vertices and one puncture in its center as a model. In this realization, the indecomposable objects of the cluster category correspond to certain homotopy classes of paths between two vertices.
引用
收藏
页码:1 / 21
页数:21
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