An involution on derangements preserving excedances and right-to-left minima
arxiv（2021）
摘要
We give a bijective proof of a result by R. Mantaci and F. Rakotondrajao from 2003, regarding even and odd derangement with a fixed number of excedances. We refine this result by also considering the set of right-to-left minima.
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关键词
derangements,involution,excedances,right-to-left
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