Preprint Seminar, Spring 2023

Wednesdays 1 to 1.55 pm in room 528

Please contact me (Tudor Padurariu) at tpad@math.columbia.edu if you are interested in participating, either by attending or by giving a talk. Please also contact me if you need suggestions for papers.

The papers chosen should have been posted on arxiv after January 1, 2022. The talks are 45 minutes + 10 minutes for questions/ discussion.

Date Speaker Paper
Wed. Feb. 1 Patrick Lei A Kleiman criterion for GIT stack quotients by M. Shoemaker
Wed. Feb. 8 Nathan Chen Motivic invariants of birational maps by H.-Y. Lin and E. Shinder
Wed. Feb. 15 Andres Fernandez Herrero Birational geometry of quiver varieties and other GIT quotients by G. Bellamy, A. Craw, and T. Schedler
Wed. Feb. 22 Nicolas Vilches Reyes Paper
Wed. Mar. 1 Kevin Chang Low degree Hurwitz stacks in the Grothendieck ring by A. Landesman, R. Vakil, and M. Matchett Wood
Wed. Mar. 8 Song Yu Homological Bondal-Orlov localization conjecture for rational singularities by M. Mauri and E. Shinder
Wed. Mar. 22 Anna Abasheva Paper
Wed. Mar. 29 Matthew Hase-Liu Paper
Wed. Apr. 5 Speaker Paper
Wed. Apr. 12 Morena Porzio Paper
Wed. Apr. 19 Tudor Padurariu Chow groups of surfaces of lines in cubic fourfolds by D. Huybrechts
Wed. Apr. 26 Speaker Paper