{ "id": "math/0608264", "version": "v3", "published": "2006-08-10T19:57:54.000Z", "updated": "2006-08-30T15:43:10.000Z", "title": "A geometric model for cluster categories of type $D_n$", "authors": [ "Ralf Schiffler" ], "comment": "20 pages (v3: section 5.3 amended, some other editorial changes and typos fixed)", "categories": [ "math.RT", "math.RA" ], "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.", "revisions": [ { "version": "v3", "updated": "2006-08-30T15:43:10.000Z" } ], "analyses": { "subjects": [ "16G20", "16G70", "18E30", "05E15" ], "keywords": [ "geometric model", "cluster category correspond", "homotopy classes", "geometric realization", "indecomposable objects" ], "note": { "typesetting": "TeX", "pages": 20, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2006math......8264S" } } }