Columbia Algebraic Geometry Seminar

Spring 2023

The Columbia Algebraic Geometry Seminar takes place on Fridays at 3:30 pm in 417 Mathematics Hall on the Columbia campus.

The seminar is organized by Giulia Saccà, Will Sawin, and Akash Sengupta.

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

January 20	Nathan Chen	Columbia University	Finite order birational automorphisms of Fano hypersurfaces
January 27	Bob Friedman	Columbia University	Deformations of singular Fano and Calabi-Yau varieties
February 3	Špela Špenko	Vrije Universiteit Brussel	HMS symmetries of toric boundary divisors
February 10	Will Sawin	Columbia University	Quantitative ell-adic sheaf theory
February 17	Ritvik Ramkumar	Cornell University	On the parity conjecture for Hilbert schemes of points on threefolds
February 24	John Sheridan	Princeton University	Torelli theorems for certain Steiner bundles on projective space
March 3	Pablo Boixeda Alvarez	Yale University	Microlocal sheaves and affine Springer fibers
March 10	Lena Ji	University of Michigan	Rationality of conic bundle threefolds over non-closed fields
March 17	No seminar		Spring break
March 24	Eric Riedl	University of Notre Dame	Complements of quartic plane curves and the Geometric Lang-Vojta Conjecture
March 31	Jakub Witaszek	Princeton University	Singularities in mixed characteristic via the Riemann-Hilbert correspondence
April 7	Stephen Pietromonaco	University of Michigan	Nano-Banana Manifolds and Siegel Paramodular Forms
April 14	Yukinobu Toda	Kavli IPMU	Semiorthogonal decompositions of Quot schemes and applications
April 21	Dori Bejleri	Harvard University	Height moduli on cyclotomic stacks
April 28	No seminar		AGNES

This page is maintained by Will Sawin.