{ "id": "1012.4120", "version": "v1", "published": "2010-12-18T20:54:51.000Z", "updated": "2010-12-18T20:54:51.000Z", "title": "A homology plane of general type can have at most a cyclic quotient singularity", "authors": [ "R. V. Gurjar", "M. Koras", "M. Miyanishi", "P. Russell" ], "comment": "63 pages", "categories": [ "math.AG" ], "abstract": "We show that a homology plane of general type has at worst a single cyclic quotient singular point. An example of such a surface with a singular point does exist. We also show that the automorphism group of a smooth contractible surface of general type is cyclic.", "revisions": [ { "version": "v1", "updated": "2010-12-18T20:54:51.000Z" } ], "analyses": { "subjects": [ "14J17", "14R05", "14R20" ], "keywords": [ "general type", "cyclic quotient singularity", "homology plane", "single cyclic quotient singular point", "automorphism group" ], "note": { "typesetting": "TeX", "pages": 63, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2010arXiv1012.4120G" } } }