{ "id": "math/0310127", "version": "v1", "published": "2003-10-09T14:18:46.000Z", "updated": "2003-10-09T14:18:46.000Z", "title": "Automorphisms of Coxeter groups", "authors": [ "Patrick Bahls" ], "comment": "16 pages, no figures. Submitted to Trans. Amer. Math. Soc", "categories": [ "math.GR" ], "abstract": "We compute Aut(W) for any even Coxeter group whose Coxeter diagram is connected, contains no edges labeled 2, and cannot be separated into more than 2 connected components by removing a single vertex. The description is given explicitly in terms of the given presentation for the Coxeter group and admits an easy characterization of those groups W for which Out(W) is finite.", "revisions": [ { "version": "v1", "updated": "2003-10-09T14:18:46.000Z" } ], "analyses": { "subjects": [ "20F55", "20F28" ], "keywords": [ "coxeter group", "automorphisms", "coxeter diagram", "single vertex" ], "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2003math.....10127B" } } }