{ "id": "1404.4291", "version": "v2", "published": "2014-04-16T15:51:33.000Z", "updated": "2014-05-30T16:18:48.000Z", "title": "(0,2)-Deformations and the $G$-Hilbert Scheme", "authors": [ "Benjamin Gaines" ], "comment": "20 pages, 7 figures", "categories": [ "math.AG", "hep-th" ], "abstract": "We study first order deformations of the tangent sheaf of resolutions of Calabi-Yau threefolds that are of the form $\\mathbb{C}^3/Z_r$, focusing on the cases where the orbifold has an isolated singularity. We prove a lower bound on the number of deformations for any crepant resolution of this orbifold. We show that this lower bound is achieved when the resolution used is the G-Hilbert scheme, and note that this lower bound can be found using methods from string theory. These methods lead us to a new way to construct the G-Hilbert scheme using the singlet count.", "revisions": [ { "version": "v2", "updated": "2014-05-30T16:18:48.000Z" } ], "analyses": { "keywords": [ "lower bound", "study first order deformations", "g-hilbert scheme", "tangent sheaf", "singlet count" ], "note": { "typesetting": "TeX", "pages": 20, "language": "en", "license": "arXiv", "status": "editable", "inspire": 1293930, "adsabs": "2014arXiv1404.4291G" } } }