collaborators

1 paper

math.CO2026

Descent Tops and Pinnacles on 2143- and 3421-Avoiding Permutations

Yue Dong, Lily Li Liu, Tongyuan Zhao

We prove the 2143-3421 case of Burstein's conjecture on the distribution of descent-top sets by constructing an explicit bijection between the two avoidance classes. The bijection…