{ "id": "math/0108113", "version": "v1", "published": "2001-08-16T17:21:16.000Z", "updated": "2001-08-16T17:21:16.000Z", "title": "Einstein Metrics on Rational Homology 7-Spheres", "authors": [ "Charles P. Boyer", "Krzysztof Galicki", "Michael Nakamaye" ], "comment": "19 pages", "journal": "Ann Inst. Fourier, 52 (2002), 1569-1584.", "categories": [ "math.DG", "math.AG" ], "abstract": "In this paper we demonstrate the existence of Sasakian-Einstein structures on certain 2-connected rational homology 7-spheres. These appear to be the first non-regular examples of Sasakian-Einstein metrics on simply connected rational homology spheres. We also briefly describe the rational homology 7-spheres that admit regular positive Sasakian structures.", "revisions": [ { "version": "v1", "updated": "2001-08-16T17:21:16.000Z" } ], "analyses": { "subjects": [ "53C25", "53C12", "14E30" ], "keywords": [ "einstein metrics", "admit regular positive sasakian structures", "first non-regular examples", "simply connected rational homology spheres" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 19, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2001math......8113B" } } }