Cari tutti,
ecco il programma del prossimo seminario di geometria algebrica e aritmetica di Pisa:
Mercoledì 27 ottobre 2021, Dipartimento di matematica, Aula Magna
15:00--16:00 Valerio Melani (Pisa): The Poisson structure on the affine Grassmannian via derived algebraic geometry
Motivated by a conjecture of Kapranov-Ginzburg-Vasserot, we will explain how to reinterpret the classical Poisson structure on the affine Grassmannian using tools from derived symplectic (and Poisson) geometry. Our approach is based on the study of symplectic structures on derived stacks whose cotangent complex is not perfect, and therefore uses in a crucial way the formalism of Tate modules. The talk is based on joint work with Mauro Porta and Pavel Safronov.
Homepage del seminario: http://pagine.dm.unipi.it/tamas/saga.html
Migliori saluti, Tamás Szamuely