On Tuesday, October 29, at 4:30 pm, the "Guido Castelnuovo", Mathematics Department will host the first seminar of the 2019-20 "Colloquium Guido Castelnuovo" Cycle on "Invariant Theta of Euclidena Lattices" in the Picone Lecture Hall with guest speaker Jean-Benoît Bost from the Université Paris-Sud Orsay