The Centers of Gravity of the Associahedron and of the Permutahedron are the Same. - Christophe Hohlweg; Jonathan Lortie; Annie Raymond (Electron. J. Comb., 2010)

Exhaustive generation of gominoes. - Jérôme Fortier; Alain Goupil; Jonathan Lortie; Jérôme Tremblay (Theor. Comput. Sci., 2013)