2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/67699We prove that for any two projective symplectic resolutions $Z_1$ and $Z_2$ for a nilpotent orbit closure in a complex simple Lie algebra of classical type, then $Z_1$ is deformation equivalen to $Z_2$.An error is corrected, and the affirmation is weakenedAlgebraic Geometrytext