{ "id": "2412.09397", "version": "v1", "published": "2024-12-12T16:03:06.000Z", "updated": "2024-12-12T16:03:06.000Z", "title": "On the basic representation of the double affine Hecke algebra at critical level", "authors": [ "J. F. van Diejen", "E. Emsiz", "I. N. ZurriƔn" ], "comment": "7 pages", "journal": "Journal of Algebra and Its Applications, Vol. 23, No. 03, 2450061 (2024)", "doi": "10.1142/S0219498824500610", "categories": [ "math.RT" ], "abstract": "We construct the basic representation of the double affine Hecke algebra at critical level $q=1$ associated to an irreducible reduced affine root system $R$ with a reduced gradient root system. For $R$ of untwisted type such a representation was studied by Oblomkov [O04] and further detailed by Gehles [G06] in the presence of minuscule weights.", "revisions": [ { "version": "v1", "updated": "2024-12-12T16:03:06.000Z" } ], "analyses": { "subjects": [ "20C08", "17B22", "17B67", "33D80" ], "keywords": [ "double affine hecke algebra", "basic representation", "critical level", "reduced affine root system", "reduced gradient root system" ], "tags": [ "journal article" ], "publication": { "publisher": "World Scientific" }, "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable" } } }