{ "id": "1406.6711", "version": "v2", "published": "2014-06-25T20:31:23.000Z", "updated": "2015-01-23T16:57:51.000Z", "title": "Automorphisms of graphs of cyclic splittings of free groups", "authors": [ "Camille Horbez", "Richard D. Wade" ], "comment": "22 pages, 5 figures. Small modifications. To appear in Geometriae Dedicata", "categories": [ "math.GR", "math.GT" ], "abstract": "We prove that any isometry of the graph of cyclic splittings of a finitely generated free group $F_N$ of rank $N\\ge 3$ is induced by an outer automorphism of $F_N$. The same statement also applies to the graphs of maximally-cyclic splittings, and of very small splittings.", "revisions": [ { "version": "v1", "updated": "2014-06-25T20:31:23.000Z", "title": "Automorphisms of graphs of cyclic splittings of $F_N$", "comment": "21 pages, 5 figures", "journal": null, "doi": null }, { "version": "v2", "updated": "2015-01-23T16:57:51.000Z" } ], "analyses": { "subjects": [ "20E36", "20F65", "20E05", "20E08" ], "keywords": [ "maximally-cyclic splittings", "finitely generated free group", "outer automorphism", "small splittings" ], "note": { "typesetting": "TeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1406.6711H" } } }