An involution on set partitions

2022/04/06 by Callan, David
#05A15 #Combinatorics (math.CO) #FOS: Mathematics

paper · doi:10.48550/arxiv.2204.02556

Abstract

We present an involution on set partitions that interchanges two statistics related to relative size of block entries and use it to establish an equidistribution on objects counted by the Bessel numbers.

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