2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/65714Various aspects of q-differential equations are examined in the contexts of quantum groups and spaces, differential calculi, zero curvature, and Lax-Sato hierarchies. There are many explicit formulas and examples along with some survey material.52 pages, Latex References addedQuantum Algebratext