Abstract
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.
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Schiffler, R. A geometric model for cluster categories of type D n . J Algebr Comb 27, 1–21 (2008). https://doi.org/10.1007/s10801-007-0071-6
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DOI: https://doi.org/10.1007/s10801-007-0071-6