Séminaire Lotharingien de Combinatoire, B70i (2014), 5 pp.

Yuval Roichman

A Note on the Number of k-Roots in Sn

Abstract. The number of k-roots of an arbitrary permutation is expressed as an alternating sum of \mu-unimodal k-roots of the identity permutation.

Received: September 15, 2013. Revised: September 10, 2014. Accepted: September 15, 2014.

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