{ "id": "1303.6973", "version": "v3", "published": "2013-03-27T20:28:30.000Z", "updated": "2015-02-22T23:10:21.000Z", "title": "Realizations of the three point algebra $\\mathfrak{sl}(2, \\mathcal R) \\oplus\\left(Ω_{\\mathcal R}/d{\\mathcal R}\\right)$", "authors": [ "Ben L. Cox", "Elizabeth G. Jurisich" ], "comment": "arXiv admin note: text overlap with arXiv:0902.1273. This version has a correction to a scalar in Cor 2.3. The representations of the algebra are unaffected", "journal": "Pacific Journal of Mathematics vol. 270, No. 1, 2014", "doi": "10.2140/pjm.2014.270.27", "categories": [ "math.RT" ], "abstract": "We describe the universal central extension of the three point current algebra $\\mathfrak{sl}(2,\\mathcal R)$ where $\\mathcal R=\\mathbb C[t,t^{-1},u\\,|\\,u^2=t^2+4t ]$ and construct realizations of it in terms of sums of partial differential operators.", "revisions": [ { "version": "v2", "updated": "2013-08-26T00:49:26.000Z", "comment": "arXiv admin note: text overlap with arXiv:0902.1273", "journal": null, "doi": null }, { "version": "v3", "updated": "2015-02-22T23:10:21.000Z" } ], "analyses": { "subjects": [ "17B67", "81R10" ], "keywords": [ "point algebra", "universal central extension", "point current algebra", "partial differential operators", "construct realizations" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1303.6973C" } } }