2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61600We discuss some relations of moduli of sheaves on rational surfaces by using universal extensions. These are a generalization of Maruyama's method to construct Uhlenbeck compactification of moduli of vector bundles.11 pagesAlgebraic GeometryA note of moduli of vector bundles on rational surfacestext