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Statistics on multipermutations and partial gamma-positivity

Lin, ZC; Ma, J; Zhang, PB

Lin, ZC (corresponding author), Shandong Univ, Res Ctr Math & Interdisciplinary Sci, Qingdao 266237, Peoples R China.

JOURNAL OF COMBINATORIAL THEORY SERIES A, 2021; 183 ():

Abstract

We prove that the enumerative polynomials of Stirling multipermutations by the statistics of plateaux, descents and ascents are partial gamma-positive......

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