My research field is the geometric topology of low-dimensional manifolds.
As main tools, I use branched coverings, Kirby diagrams, and Lefschetz fibrations.
Braiding non-orientable surfaces in S4 with Riccardo Piergallini.
Atti del Seminario Matematico e Fisico dell'Università di Modena e Reggio Emilia, suppl. vol. IL (2001), 229-239.