2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115474I show that the adjoint variety of the complex special linear group is rigid to order three.15 pages, v1Differential GeometryAlgebraic Geometry53A20, 53C24, 53C30The adjoint variety of SL_{m+1}(C) is rigid to order threetext