2 papers
math.CO2020
Permutree sorting
Vincent Pilaud, Viviane Pons, Daniel Tamayo Jiménez
Generalizing stack sorting and -sorting for permutations, we define the permutree sorting algorithm. Given two disjoint subsets and of , the -p…
math.CO2016
Permutrees
Vincent Pilaud, Viviane Pons
We introduce permutrees, a unified model for permutations, binary trees, Cambrian trees and binary sequences. On the combinatorial side, we study the rotation lattices on permutree…