Cremona contractibility - Sara Durighetto
Dettagli dell'evento
Quando
20/12/2018
dalle 15:00 alle 16:00
dalle 15:00 alle 16:00
Dove
Aula 2, DMI
Persona di riferimento
M. Mella
Abstract: The plane Cremona group Cr2 is the group of birational automorphisms of P^2.
From the half of the XIXth century the plane Cremona group has been studied
under many aspects. We say that a curve is contractible if it can be contracted to
a
