2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64203We discuss the properties of a certain type of Dehn surgery along a Lagrangian torus in a symplectic 4-manifold, known as Luttinger's surgery, and use this construction to provide a purely topological interpretation of a non-isotopy result for symplectic plane curves with cusp and node singularities due to Moishezon.15 pagesGeometric TopologySymplectic Geometrytext