2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161722We study the birational geometry of irreducible holomorphic symplectic varieties arising as varieties of lines of general cubic fourfolds containing a cubic scroll. We compute the ample and moving cones, and exhibit a birational automorphism of infinite order explaining the chamber decomposition of the moving cone.30 pagesAlgebraic Geometrytext