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Counting inversions and descents of random elements in finite Coxeter groups

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arxiv 1802.01389 v4 pith:Z7HO4JRH submitted 2018-02-05 math.CO

classification math.CO
keywords coxeterdescentsgroupsprobabilitydistributionseulerianfiniteformulas
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We investigate Mahonian and Eulerian probability distributions given by inversions and descents in general finite Coxeter groups. We provide uniform formulas for the means and variances in terms of Coxeter group data in both cases. We also provide uniform formulas for the double-Eulerian probability distribution of the sum of descents and inverse descents. We finally establish necessary and sufficient conditions for general sequences of Coxeter groups of increasing rank under which Mahonian and Eulerian probability distributions satisfy central and local limit theorems.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. A central limit theorem for the two-sided descent statistic on Coxeter groups

    math.CO 2019-08 conditional novelty 6.0 of 10

    For well-behaved sequences of finite Coxeter groups, the descent-plus-inverse-descent statistic satisfies a central limit theorem exactly when its variance tends to infinity.

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