{ "id": "1109.1668", "version": "v1", "published": "2011-09-08T09:12:45.000Z", "updated": "2011-09-08T09:12:45.000Z", "title": "On diffeomorphisms over non-orientable surfaces standardly embedded in the 4-sphere", "authors": [ "Susumu Hirose" ], "comment": "19 pages, 11 figures", "categories": [ "math.GT" ], "abstract": "For a non-orientable closed surface standardly embedded in the 4-sphere, a diffeomorphism over this surface is extendable if and only if this diffeomorphism preserves the Guillou-Marin quadratic form of this embedded surface.", "revisions": [ { "version": "v1", "updated": "2011-09-08T09:12:45.000Z" } ], "analyses": { "subjects": [ "57Q45", "57N05", "20F38" ], "keywords": [ "non-orientable surfaces", "guillou-marin quadratic form", "diffeomorphism preserves", "non-orientable closed surface" ], "note": { "typesetting": "TeX", "pages": 19, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1109.1668H" } } }