2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63936We count the conjugacy classes of maximal tori in the groups of symplectomorphisms of S^2 \times S^2 and of the blow-up of CP^2 at a point.7 pagesSymplectic GeometryDifferential GeometryMaximal tori in the symplectomorphism groups of Hirzebruch surfacestext