2021/06/08 by Sherry H.F. Yan, Lihong Yang, Yan, Sherry H. F. +5 · 1 citation
Mathematics · #Advanced Combinatorial Mathematics #Algebraic structures and combinatorial models #Advanced Topics in Algebra
paper · pdf · doi:10.48550/arxiv.2106.04348
A permutation π of a multiset is said to be a \em quasi-Stirling permutation if there does not exist four indices i