2 problems

0 votes0 replies0 views
Partial gamma-positivity conjecture for quasi-Stirling permutation polynomials
For a multiset $\mathcal{M}$ , let $\overline{\mathcal{Q}}_{\mathcal{M}}$ denote the set of quasi-Stirling permutations of $\mathcal{M}$ , and define … where $asc(\pi)$ , $des(\pi)$ ,…
Conjectureopenenumerative-combinatorics gamma-positivity quasi-stirling-permutationsarXiv posted 2 days ago
0 votes0 replies1 view
Enumeration of quasi-Stirling permutations with $n-1$ descents
Descent enumeration conjecture. Based on numerical evidence, the number of quasi-Stirling permutations on $[n,n]$ with exactly $n-1$ descents is
Conjectureopenenumerative-combinatorics permutation-statistics quasi-stirling-permutationsarXiv posted 2 days ago

Partial gamma-positivity conjecture for quasi-Stirling permutation polynomials