ALGEBRAIC COMBINATORICS

The birational Lalanne–Kreweras involution

Hopkins, Sam; Joseph, Michael

Algebraic Combinatorics, Volume 5 (2022) no. 2 p. 227-265

A positive formula for the Ehrhart-like polynomials from root system chip-firing

Hopkins, Sam; Postnikov, Alexander

Algebraic Combinatorics, Volume 2 (2019) no. 6 p. 1159-1196