On trees with the same restricted U-polynomial and the Prouhet-Tarry-Escott problem

José Aliste-Prieto, Anna de Mier, José Zamora. On trees with the same restricted U-polynomial and the Prouhet-Tarry-Escott problem. Discrete Mathematics, 340(6):1435-1441, 2017. [doi]

Abstract

Abstract is missing.