%0 Journal Article
%T A geometric model for cluster categories of type $D_n$
%A Ralf Schiffler
%J Mathematics
%D 2006
%I arXiv
%X 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.
%U http://arxiv.org/abs/math/0608264v3