Permutation Graphs and the Abelian Sandpile Model, Tiered Trees and Non-Ambiguous Binary Trees

Mark Dukes, Thomas Selig, Jason P. Smith, Einar Steingrímsson. Permutation Graphs and the Abelian Sandpile Model, Tiered Trees and Non-Ambiguous Binary Trees. Electr. J. Comb., 26(3):3, 2019. [doi]

Abstract

Abstract is missing.