---------------------------- Original Message ---------------------------- Subject: Ciclo "baby geometri" - promemoria seminario di Daniele Celoria From: "simone calamai" <simocala@gmail.com> Date: Mon, April 15, 2013 9:14 am -------------------------------------------------------------------------- Ciao a tutti, vi ricordiamo che domani Martedì 16 aprile, alle 16:30-17:30 in Aula Riunioni del dip. mat. ci sarà il seminario dei baby-geometri: - speaker: Daniele Celoria (Università di Firenze) - Titolo: "Rational blowdown of elliptic surfaces" - Abstract: We introduce elliptic fibrations from a topological point of view, together with some of the most common operations that can be performed on them. After a quick review of the Seiberg-Witten invariants, we define rational blowdowns and use them to exhibit infinite families of exotic elliptic fibrations. -- Simone (simone.calamai@sns.it) Daniele (angella@mail.dm.unipi.it) www.dm.unipi.it/cluster-pages/angella/baby-geometri/