{ "id": "0712.2695", "version": "v3", "published": "2007-12-17T11:42:16.000Z", "updated": "2008-03-02T02:46:32.000Z", "title": "Q-systems as cluster algebras", "authors": [ "Rinat Kedem" ], "comment": "16 pages, 3 figures", "journal": "J.Phys.A41:194011,2008", "doi": "10.1088/1751-8113/41/19/194011", "categories": [ "math.RT", "math.QA" ], "abstract": "Q-systems first appeared in the analysis of the Bethe equations for the XXX-model and generalized Heisenberg spin chains. Such systems are known to exist for any simple Lie algebra and many other Kac-Moody algebras. We formulate the Q-system associated with any simple, simply-laced Lie algebras g in the language of cluster algebras, and discuss the relation of the polynomiality property of the solutions of the $Q$-system in the initial variables, which follows from the representation-theoretical interpretation, to the Laurent phenomenon in cluster algebras.", "revisions": [ { "version": "v3", "updated": "2008-03-02T02:46:32.000Z" } ], "analyses": { "keywords": [ "cluster algebras", "simple lie algebra", "generalized heisenberg spin chains", "laurent phenomenon", "bethe equations" ], "tags": [ "journal article" ], "publication": { "journal": "Journal of Physics A Mathematical General", "year": 2008, "month": "May", "volume": 41, "number": 19, "pages": 194011 }, "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable", "inspire": 775399, "adsabs": "2008JPhA...41s4011K" } } }