{ "id": "1503.02109", "version": "v1", "published": "2015-03-06T23:06:46.000Z", "updated": "2015-03-06T23:06:46.000Z", "title": "A combinatorial approach to the q,t-symmetry relation in Macdonald polynomials", "authors": [ "Maria Monks Gillespie" ], "categories": [ "math.CO" ], "abstract": "Using the combinatorial formula for the transformed Macdonald polynomials of Haglund, Haiman, and Loehr, we investigate the combinatorics of the symmetry relation $\\widetilde{H}_\\mu(\\mathbf{x};q,t) = \\widetilde{H}_{\\mu^\\ast}(\\mathbf{x};t,q)$. We provide a purely combinatorial proof of the relation in the case of Hall-Littlewood polynomials ($q=0$) when $\\mu$ is a partition with at most three rows, and for the coefficients of the square-free monomials in $\\mathbf{x}$ for all shapes $\\mu$. We also provide a proof for the full relation in the case when $\\mu$ is a hook shape, and for all shapes at the specialization $t=1$. Our work in the Hall-Littlewood case reveals a new recursive structure for the cocharge statistic on words.", "revisions": [ { "version": "v1", "updated": "2015-03-06T23:06:46.000Z" } ], "analyses": { "subjects": [ "05E05", "05A19" ], "keywords": [ "t-symmetry relation", "combinatorial approach", "transformed macdonald polynomials", "cocharge statistic", "purely combinatorial proof" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }