{ "id": "1206.6237", "version": "v1", "published": "2012-06-27T11:54:43.000Z", "updated": "2012-06-27T11:54:43.000Z", "title": "Genus two Goeritz groups of lens spaces", "authors": [ "Sangbum Cho" ], "comment": "16 pages, 9 figures", "categories": [ "math.GT" ], "abstract": "Given a genus-$g$ Heegaard splitting of a 3-manifold, the Goeritz group is defined to be the group of isotopy classes of orientation-preserving homeomorphisms of the manifold that preserve the splitting. In this work, we show that the Goeritz groups of genus-2 Heegaard splittings for lens spaces $L(p, 1)$ are finitely presented, and give explicit presentations of them.", "revisions": [ { "version": "v1", "updated": "2012-06-27T11:54:43.000Z" } ], "analyses": { "subjects": [ "57N10", "57M60" ], "keywords": [ "goeritz group", "lens spaces", "explicit presentations", "isotopy classes", "heegaard splitting" ], "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1206.6237C" } } }