{ "id": "1212.2222", "version": "v2", "published": "2012-12-10T21:12:31.000Z", "updated": "2013-07-26T17:53:25.000Z", "title": "Categorified invariants and the braid group", "authors": [ "John A. Baldwin", "J. Elisenda Grigsby" ], "comment": "12 pages, 2 figures. Version 2 has a new, entirely combinatorial, proof that sutured annular Khovanov homology detects the trivial braid, involving a relationship between Plamenevskaya's invariant of transverse links and the Dehornoy order on the braid group", "categories": [ "math.GT", "math.QA", "math.RT" ], "abstract": "We investigate two \"categorified\" braid conjugacy class invariants, one coming from Khovanov homology and the other from Heegaard Floer homology. We prove that each yields a solution to the word problem but not the conjugacy problem in the braid group.", "revisions": [ { "version": "v2", "updated": "2013-07-26T17:53:25.000Z" } ], "analyses": { "keywords": [ "braid group", "categorified invariants", "braid conjugacy class invariants", "heegaard floer homology", "conjugacy problem" ], "note": { "typesetting": "TeX", "pages": 12, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1212.2222B" } } }