Cornell Discrete Geometry and Combinatorics Seminar
Fall 2021
Mondays 2:30-3:30 pm in Malott 206 (*)

(*) Please note some talks are held on Zoom only.

This semester the seminar is run jointly by Marcelo Aguiar, Karola Mészáros and Ed Swartz. Please feel free to suggest speakers or volunteer to speak.

Our Founding Fathers are Lou Billera and Bob Connelly.

Sep 6 Labor day
Sep 13
Sep 20
Sep 27
Oct 4 Zoom Changxin Ding, Brandeis University Geometric bijections between subgraphs and orientations of a graph
Oct 11 Fall break
Oct 18 Sarah Brauner, University of Minnesota On orbit configuration spaces and a Type B analog of the Whitehouse representation
Oct 25 Zoom Swee Hong Chan, UCLA Log-concave inequalities for matroids and posets
Nov 1 Caitlin Lienkaemper, Penn State University Point arrangements and oriented matroids from biological data
Nov 8 Colleen Robichaux, UIUC Castelnuovo-Mumford regularity of ladder determinantal ideals via Grothendieck polynomials
Nov 15 Allen Knutson, Cornell Interpolating between pipe dreams and bumpless pipe dreams
Nov 22 Zoom Yibo Gao, MIT The canonical bijection between pipe dreams and bumpless pipe dreams
Nov 29
Dec 6

For the schedule of previous talks in this seminar: previous years, Fall 2010, Fall 2011, Fall 2012, Spring 2013, Fall 2013, Spring 2014, Fall 2014, Spring 2015, Fall 2015, Spring 2016, Fall 2016, Spring 2017, Fall 2017, Spring 2018, Fall 2018, Spring 2019, Fall 2019, Spring 2020, [the seminar did not meet in Fall 2020 or Spring 2021].

Cornell Math Department.