A Card Shuffling Analysis of Deformations of the Plancherel Measure of the Symmetric Group

Details A Card Shuffling Analysis of Deformations of the Plancherel Measure of the Symmetric Group A Card Shuffling Analysis of Deformations of the Plancherel Measure of the Symmetric Group

2003-02-25

arxiv.org/abs/math/0302293v1

Mathematics

Combinatorics

Scientific paper

We study deformations of the Plancherel measure of the symmetric group by lifting them to the symmetric group and using combinatorics of card shuffling. The existing methods for analyzing deformations of Plancherel measure are not obviously applicable to the examples in this paper. The main idea of this paper is to find and analyze a formula for the total variation distance between iterations of riffle shuffles and iterations of "cut and then riffle shuffle". Similar results are given for affine shuffles, which allow us to determine their convergence rate to randomness.

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