February 4, 3:30pm WWH 201 
Fedor Bogomolov Courant Institute 
TBA 
February 11, 3:30pm WWH 201 
Bruno de Oliveira University of Miami 
Closed symmetric differentials which are products of meromorphic differentials 
February 18, 3:30pm WWH 201 
Christian Böhning Universität Hamburg 
Birational isotriviality of fiber spaces 
February 25, 3:30pm WWH 201 
Daniele Turchetti Institut de mathématiques de Jussieu 
Lifting Galois covers to characteristic zero with nonArchimedean analytic geometry 
February 28, 12:00pm WWH 905 
Samuel Grushevsky Stony Brook University 
Shimura curves contained in the Jacobian locus in small genus 
March 4, 3:30pm WWH 201 
Maksym Fedorchuk Boston College 
Toward GIT stability of syzygies of canonical curves 
March 11, 3:30pm WWH 1314 
Jacob Tsimerman Harvard University 
Special divisors on hyperelliptic curves 
March 13, 2:00pm WWH 1302 
Jake Solomon Hebrew University 
Generalized Witten conjectures for moduli spaces of Riemann surfaces 
March 18, 3:30pm  Spring break  No seminar 
April 1, 3:30pm WWH 201 
Benjamin BlumSmith Courant Institute 
Semiabelian groups and the inverse Galois problem 
April 8, 3:30pm WWH 201 
Alexei Skorobogatov Imperial College, London 
The Brauer group and the BrauerManin obstruction for K3 surfaces 
April 15, 3:30pm WWH 201 
Slawomir Solecki University of Illinois at UrbanaChampaign 
An abstract approach to Ramsey theory

April 17, 3:45pm WWH 201 
Andrei Caldarau University of Wisconsin, Madison 
Around the Bridgeland differential on M_{g,n} 
May 1, 3:30pm WWH 201 
Igor Krichever Columbia University 
Spectral theory of triangular difference operators and the combinatorial Gale transform 
May 6, 3:30pm WWH 201 
Kirill Zaynullin University of Ottawa 
Cohomological Invariants of degree 3 and torsion in the Chow group of a versal flag 
May 8, 11:00am WWH 1314 
Zur Izhakian University of Aberdeen and University of Bremen 
A glimpse of supertropical algebra and its applications 
May 13, 3:30pm WWH 201 
Michael McQuillan IHES, Paris 
Fun with gerbes II 2Galois theory and the algebraic interpretation of cohomology 
May 20, 2:00pm WWH 201 
Federico Buonerba Courant Institute 
Resolution of tame quotient singularities 