2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63897A smooth compactification of Donaldson moduli spaces is given. As an application, we use this new space to study the wall-crossing formula and prove the Kotschick-Morgan conjecture.65 pagesGeometric Topology57R57A Smooth Compactification of the Moduli Space of Instantons and Its Applicationtext