2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166585We prove a conjecture by Guo-Niu Han which interpolates between two known hook expansion formulas.10 pages, 1 figureCombinatorics05A15, 05A17, 05A19, 05E10Proof of Han's Hook Expansion Conjecturetext