2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/107710We give a simplified algorithm of the functorial weak factorization of birational morphisms of nonsingular varieties over a field of characteristic zero into a composite of blow-ups and blow-downs with smooth centers.32 pages, 7 figuresAlgebraic Geometry14E05;14L30;14M25;58E05;57R90text