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arxiv: math/0503112 · v1 · submitted 2005-03-06 · 🧮 math.CO

A Foata bijection for the alternating group and for q analogues

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keywords alternatingbijectionbijectionsfoataanaloguesbijectiveequidistributionextended
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The Foata bijection $\Phi : S_n \to S_n$ is extended to the bijections $\Psi : A_{n+1} \to A_{n+1}$ and $\Psi_q : S_{n+q-1} \to S_{n+q-1}$, where S_m, A_m are the symmetric and the alternating groups. These bijections imply bijective proofs for recent equidistribution theorems, by Regev and Roichman, for A_{n+1} and for S_{n+q-1}.

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