1 citations · 2 across the 2 of their papers we have counts for
2 papers
math.CO2021★ 1 cited
Partial -Positivity for Quasi-Stirling Permutations of Multisets
Sherry H. F. Yan, Yunwei Huang, Lihong Yang
We prove that the enumerative polynomials of quasi-Stirling permutations of multisets with respect to the statistics of plateaux, descents and ascents are partial -positive, the…
math.CO2021★ 1 cited
Quasi-Stirling Permutations on Multisets
Sherry H. F. Yan, Lihong Yang, Yunwei Huang +1
A permutation of a multiset is said to be a {\em quasi-Stirling } permutation if there does not exist four indices such that and . Define $…