2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109044We present two new proofs of the the important q-commuting property holding among certain pairs of quantum minors of an n x n q-generic matrix. The first uses elementary quasideterminantal arithmetic; the second involves paths in an edge-weighted directed graph.16 pagesQuantum AlgebraCombinatorics16W35; 05E15text