# Department Colloquium

The colloquium meets Thursdays at 4:10 pm to 5:00 pm in 60 Evans Hall. We will have at least two talks every month. Lectures last 50 minutes and are followed by a short question period. The mathematical public is cordially invited to attend.

Vivek Shende, Colloquium Chair

### Spring 2019

 Date Speaker Title Jan 31 (Di Perna Lecture) Gunther Uhlmann, University of Washington Seeing Through Space-Time Feb 7 Carlos Simpson, Université de Nice Fukaya categories with coefficients and spectral networks Feb 14 Claire Voisin, Collège de France Hilbert schemes and enumerative geometry Feb 21 (Bowen Lecture) Christopher Hacon and James McKernan Birational geometry in characteristic $p>0$ Feb 28 Fanny Kassel, IHES Discrete subgroups of Lie groups and geometric structures Mar 7 Dennis Gaitsgory, Harvard Iwahori Kazhdan-Lusztig equivalence and other animals Mar 14 (Chern Lecture) Assaf Naor, Princeton University An average John theorem Mar 21 ------------ no colloquium this week Mar 28 ------------ Spring Break Apr 4 (MUSA Sperry lecture) Laura Starkston Flexible lines in the projective plane Apr 11 Peter Sarnak, Princeton and IAS Integer points on affine cubic surfaces Apr 18 (Lang Lecture) Helene Barcelo Apr 25 François Loeser, Sorbonnne The unreasonable effectiveness of non-archimedean methods in complex geometry May 2 David Ruelle, IHES A theory of hydrodynamic turbulence based on nonequilibrium stat. mech.