{ "id": "1210.3910", "version": "v2", "published": "2012-10-15T06:13:22.000Z", "updated": "2012-10-17T03:42:29.000Z", "title": "Categorification of Donaldson-Thomas invariants by Perverse Sheaves", "authors": [ "Young-Hoon Kiem", "Jun Li" ], "comment": "It was brought to the authors' attention that there is an important sign issue that was overlooked, so this paper is withdrawn by the authors", "categories": [ "math.AG" ], "abstract": "We show that there is a natural perverse sheaf on the moduli space of semistable sheaves on a smooth projective Calabi-Yau 3-fold which is locally the perverse sheaf of vanishing cycles for a local Chern-Simons functional. This gives us a cohomology theory whose Euler numbers are Donaldson-Thomas invariants.", "revisions": [ { "version": "v2", "updated": "2012-10-17T03:42:29.000Z" } ], "analyses": { "keywords": [ "donaldson-thomas invariants", "perverse sheaves", "categorification", "natural perverse sheaf", "local chern-simons functional" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "inspire": 1190740, "adsabs": "2012arXiv1210.3910K" } } }