2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/114240We show that Gorenstein singularities that are cones over singular Fano varieties provided by so-called flag quivers are smoothable in codimension three. Moreover, we give a precise characterization about the smoothability in codimension three of the Fano variety itself.20 pagesAlgebraic Geometry13D10, 14B07, 14J45, 14M25, 16G20, 52B20text