Columbia Algebraic Geometry Seminar

Fall 2019


The Columbia Algebraic Geometry Seminar takes place on Fridays at 3:30 pm in 417 Mathematics Hall on the Columbia campus. All are welcome. Tea is served at 3 pm in 508 Mathematics Hall.

The seminar is organized by Johan de Jong and Will Sawin.


Schedule of upcoming talks

Click on the title of a talk for the abstract (if available).


September 6 Rachel Webb University of Michigan Virtual Cycle on the Moduli Space of Maps to a Complete Intersection
September 13 Dan Abramovich Brown University Resolution in characteristic 0 using weighted blowing up
September 20 No seminar AGNES at Boston College
September 27 Akash Sengupta Columbia University The Fujita invariant and the thin set in Manin's conjecture
October 4 Will Chen Columbia University Nonabelian level structures for elliptic curves and noncongruence modular formss
October 11 Jacob Lurie Institute for Advanced Study A Riemann-Hilbert Correspondence in Characteristic p
October 18 Innna Zakharevich Cornell University The Dehn complex: scissors congruence, K-theory, and regulators
October 25 Daniel Huybrechts University of Bonn Arithmetic aspects of twistor spaces
November 1 Hélène Esnault Free Universitat Berlin / Institute for Advanced Study Special subloci of the space of rank one local systems
November 8 Chengxi Wang Rutgers Strong exceptional collections of line bundles
November 15 Vikraman Balaji Chennai Mathematical Institute Torsors on semistable curves and the problem of degenerations
November 22 Tudor Padurariu MIT Hall algebras for quivers with potential
November 29 No seminar   Thanksgiving
December 6 Carl Lian Columbia University Enumerating pencils with moving ramification on curves
Thurs, December 12
2:00 pm
Room 507
Jacob Tsimerman University of Toronto o-minimal GAGA and applications to Hodge theory


Schedules from the past: F '97 - F '00, S '01, F '01, S '02, F '02, S '03, F '03, S '04, F '04, S '05, F '05, S '06, F '06, S '07, F '07, S '08, F '08, S '09, F '09, S '10, F '10, S '11, F '11, S '12, F '12, S '13, F '13, S '14, F '14, S '15, F '15, S '16, F '16, S '17, F '17, S '18, F '18, S '19

This page is maintained by Will Sawin.