## BIRS Live Stream for: Crossing Numbers: Theory and Applications

Next talk: Marcus Schaefer of DePaul University, Crossing Numbers: Some Open Questions
scheduled for tomorrow between 09:00 and 10:00 MDT [2018-10-23T09:00:00.00-06:00]

### Upcoming Talks

Below are the next few upcoming talks, not necessarily those that will be broadcast. We encourage participants to record and broadcast their talks, but it is up to them to press the button.

Tomorrow between 09:00 and 10:00 MDT [2018-10-23T09:00:00.00-06:00]
Marcus Schaefer of DePaul University, Crossing Numbers: Some Open Questions

## Hessenberg Varieties in Combinatorics, Geometry and Representation Theory (Oct 21 to 26)

Tomorrow between 13:30 and 14:30 MDT [2018-10-23T13:30:00.00-06:00]
Mikiya Masuda of Osaka City University, The cohomology rings of regular semisimple Hessenberg varieties for $h=(h(1),n,\ldots,n)$
Tomorrow between 15:00 and 16:00 MDT [2018-10-23T15:00:00.00-06:00]
Tatsuya Horiguchi of Osaka University, The cohomology rings of regular nilpotent Hessenberg varieties and Schubert polynomials
Tomorrow between 16:15 and 17:15 MDT [2018-10-23T16:15:00.00-06:00]
James Carrell of University of British Columbia, Cohomology algebras of varieties with a 'regular' $(\mathbb{G}_a,\mathbb{G}_m)$-action

## Crossing Numbers: Theory and Applications (Oct 21 to 26)

Wednesday October 24 between 09:00 and 09:30 MDT [2018-10-24T09:00:00.00-06:00]
Petr Hlineny of Masaryk University, Crossing-critical graphs: Introduction