Columbia Algebraic Geometry Seminar

Fall 2021


The Columbia Algebraic Geometry Seminar takes place on Fridays at 3:30 pm in 417 Mathematics Hall on the Columbia campus. Some talks will be streamed on Zoom (password is the number of lines on a cubic surface).

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


Schedule of upcoming talks

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


September 17 Johan de Jong In-person Columbia University Locally free twisted sheaves of infinite rank
September 24 Ziquan Zhuang Zoom MIT Properness of the K-moduli space
October 1 Konstantin Aleshkin In-person Columbia University GLSM and wall-crossing for the mirror quintic
October 8 Kristin DeVleming Zoom UMass Amherst K stability and birational geometry of moduli spaces of quartic K3 surfaces
October 15
Special time: 1:30 pm
Joaquín Moraga Zoom Princeton University Reductive quotient singularities
October 22 Melody Chan Zoom Brown University The top-weight rational cohomology of A_g
October 29 Giulia Saccà In-person Columbia University Compactification of Lagrangian fibrations
November 5 Jenia Tevalev In-person UMass Amherst Semi-orthogonal decompositions of moduli spaces
November 12 Maksym Fedorchuk In-person Boston College Kollár stability of low degree del Pezzo fibrations
November 19 Carolina Araujo Zoom Instituto Nacional de Matemática Pura e Aplicada Birational geometry of Calabi-Yau pairs
November 26 No Seminar Thanksgiving
December 3 Eyal Markman In-person UMass Amherst Modular vector bundles over compact hyperkahler manifolds
December 10 Tony Pantev In-person University of Pennsylvania Mirror symmetry, intersection of quadrics, and 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, F '19, S '20, F '20, S '21

This page is maintained by Will Sawin.