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A conjecture of Stanley on alternating permutations

Robin Chapman, Lauren K. Williams

Published 2007-02-27, updated 2007-05-18Version 3

We give two simple proofs of a conjecture of Richard Stanley concerning the equidistribution of derangements and alternating permutations with the maximal number of fixed points.

Comments: 7 pages, 4 figures, additional proof, and additional coauthor (R.C.)
Categories: math.CO
Subjects: 05Axx
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