{ "id": "math/0509649", "version": "v2", "published": "2005-09-28T01:18:41.000Z", "updated": "2006-03-15T23:05:57.000Z", "title": "Note on characterizations of projective spaces", "authors": [ "Jiun-Cheng Chen", "Hsian-Hua Tseng" ], "comment": "Revised introduction, stronger result in dimension three presented", "journal": "Comm. in Algebra, Volume 35 (2007), Issue 11, 3808--3819.", "categories": [ "math.AG" ], "abstract": "We prove a numerical characterization of $\\mathbb{P}^n$ for varieties with at worst isolated local complete intersection quotient singularities. In dimension three, we prove such a numerical characterization of $\\mathbb{P}^3$ for normal $\\mathbb{Q}$-Gorenstein projective varieties.", "revisions": [ { "version": "v2", "updated": "2006-03-15T23:05:57.000Z" } ], "analyses": { "keywords": [ "projective spaces", "characterization", "local complete intersection quotient singularities", "worst isolated local complete intersection", "isolated local complete intersection quotient" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2005math......9649C" } } }