2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72465We prove the conjecture that two projective symplectic resolutions for a symplectic variety $W$ are related by Mukai's elementary transformations over $W$ in codimension 2 in the following cases: (i). nilpotent orbit closures in a classical simple complex Lie algebra; (ii). some quotient symplectic varieties.12 pagesAlgebraic Geometrytext