{ "id": "1405.4928", "version": "v2", "published": "2014-05-20T01:37:37.000Z", "updated": "2017-01-09T23:34:24.000Z", "title": "Diagrammatics for Coxeter groups and their braid groups", "authors": [ "Ben Elias", "Geordie Williamson" ], "comment": "Many figures, best viewed in color. Minor updates. This version agrees with the published version", "categories": [ "math.RT", "math.GT" ], "abstract": "We give a monoidal presentation of Coxeter and braid 2-groups, in terms of decorated planar graphs. This presentation extends the Coxeter presentation. We deduce a simple criterion for a Coxeter group or braid group to act on a category.", "revisions": [ { "version": "v1", "updated": "2014-05-20T01:37:37.000Z", "comment": "Many figures, best viewed in color", "journal": null, "doi": null }, { "version": "v2", "updated": "2017-01-09T23:34:24.000Z" } ], "analyses": { "keywords": [ "braid group", "coxeter group", "diagrammatics", "presentation extends", "decorated planar graphs" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1405.4928E" } } }