2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71852Inspired by the spin-inversion statistics of Schilling et al. and Haglund et al., we relate the symmetry of ribbon functions to a result of van Leeuwen, and also describe the multiplication of a domino function by a Schur function.6 pagesCombinatoricstext