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A combinatorial approach to the q; t-symmetry in Macdonald polynomials

<p> Using the combinatorial formula for the transformed Macdonald polynomials of Haglund, Haiman, and Loehr, we investigate the combinatorics of the symmetry relation <i>H&tilde;</i>&mu;*(x; q,t) = <i>H&tilde;</i><sub> &mu;</sub>(<i>x; t,q</i>). We provide a purely combinatorial proof of the relation in the case of Hall-Littlewood polynomials (<i>q</i> = 0) when mu is a partition with at most three rows, and for the coefficients of the square-free monomials in X={x_1,x_2,...} 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 <i>t</i> = 1. Our work in the Hall-Littlewood case reveals a new recursive structure for the cocharge statistic on words.</p>

Identiferoai:union.ndltd.org:PROQUEST/oai:pqdtoai.proquest.com:10150833
Date02 September 2016
CreatorsGillespie, Maria Monks
PublisherUniversity of California, Berkeley
Source SetsProQuest.com
LanguageEnglish
Detected LanguageEnglish
Typethesis

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