(Polytop)ics: Recent advances on polytopes
Program
Each day there are two contributed talk sessions taking place parallel. You will receive further information on how to attend those during the conference.
| Tuesday, April 06, 2021 | ||
|---|---|---|
| 09:00 - 10:00 | Bullet Intro | |
| 10:00 - 10:30 | Coffee Break | |
| 10:30 - 11:30 | Michael Joswig (TU Berlin & MPI MiS) Geometric disentanglement by random convex polytopes | |
| 11:30 - 12:00 | Coffee Break | |
| 12:00 - 13:00 | Francisco Santos (Universidad de Cantabria) Empty simplices of large width | |
| 16:00 - 17:00 | Nick Early (Institute for Advanced Study) Generalized scattering amplitudes, matroidal blade arrangements and the positive tropical Grassmannian | |
| 17:00 - 17:30 | Coffee Break | |
| 17:30 - 18:30 | Contributed Talks Session 1 | |
| Christoph Hertrich (TU Berlin) Tackling neural network expressivity via polytopes | ||
| Jose Bastidas (Cornell University) Generators for type B permutahedra via McMullen's polytope algebra | ||
| 17:30 - 18:30 | Contributed Talks Session 2 | |
| Sophie Rehberg (Freie Universität Berlin) Combinatorial reciprocity theorems for generalized permutahedra, hypergraphs, and pruned inside-out polytopes | ||
| Jonathan Leake (TU Berlin) Flow polytope volume bounds via polynomial capacity | ||
| 18:30 - 19:00 | Coffee Break | |
| 19:00 - 20:00 | Bullet Intro | |
| Wednesday, April 07, 2021 | ||
| 09:00 - 10:00 | Katharina Jochemko (KTH Royal Institute of Technology) Generalized permutahedra: Minkowski linear functionals and Ehrhart positivity | |
| 10:00 - 10:30 | Coffee Break | |
| 10:30 - 11:30 | Matthias Beck (San Francisco State & FU Berlin) Rational Ehrhart Theory | |
| 11:30 - 12:00 | Coffee Break | |
| 12:00 - 13:00 | Contributed Talks Session 1 | |
| Doriann Albertin (Université Gustave Eiffel) Type cones of permutree fans | ||
| Luis Ferroni (University of Bologna) The Erhart polynomials of matroids and hypersimplices | ||
| 12:00 - 13:00 | Contributed Talks Session 2 | |
| Martin Winter (TU Chemnitz) Capturing polytopal symmetries in the edge-graph | ||
| Theo Douvropoulos (University of Massachusetts, Amherst) Volumes of root zonotopes via the W-Laplacian | ||
| 16:00 - 17:00 | Open Problems | |
| 17:00 - 17:30 | Coffee Break | |
| 17:30 - 18:30 | Laura Escobar (Washington University in St. Louis) Determining the complexity of Kazhdan-Lusztig varieties | |
| 18:30 - 19:00 | Coffee Break | |
| 19:00 - 20:00 | Igor Pak (UCLA) Domes over curves | |
| Thursday, April 08, 2021 | ||
| 09:00 - 10:00 | Günter M. Ziegler (Freie Universität Berlin) Problems and methods, examples and counterexamples | |
| 10:00 - 10:30 | Coffee Break | |
| 10:30 - 11:30 | Raman Sanyal (Goethe-Universität Frankfurt) Normally inscribable polytopes | |
| 11:30 - 12:00 | Coffee Break | |
| 12:00 - 13:00 | Open Problems | |
| 16:00 - 17:00 | Karola Meszaros (Cornell University) Schubert polynomials from a polytopal point of view | |
| 17:00 - 17:30 | Coffee Break | |
| 17:30 - 18:30 | Contributed Talks Session 1 | |
| Rida Ait El Manssour (MPI MiS) Stable set polytopes in differential algebra | ||
| Aniket Shah (Ohio State University) A q-analogue of Brion's identity from quantum K-theory | ||
| 17:30 - 18:30 | Contributed Talks Session 2 | |
| Alex Black (UC Davis) Monotone paths on cross-polytopes | ||
| Mariel Supina (University of California, Berkeley) The universal valuation of Coxeter matroids | ||
| 18:30 - 19:00 | Coffee Break | |
| 19:00 - 20:00 | Fu Liu (University of California, Davis) Permuto-associahedra as deformations of nested permutohedra | |
| Friday, April 09, 2021 | ||
| 09:00 - 10:00 | Arnau Padrol (Sorbonne Université) Shard polytopes | |
| 10:00 - 10:30 | Coffee Break | |
| 10:30 - 11:30 | Contributed Talks Session 1 | |
| Akiyoshi Tsuchiya (University of Tokyo) Castelnuovo polytopes | ||
| Marta Panizzut (TU Berlin) Algebraic degrees of 3-dimensional polytopes | ||
| 10:30 - 11:30 | Contributed Talks Session 2 | |
| Eva Philippe (Ecole Normale Supérieure de Paris) Sweeps of a point configuration | ||
| Sophia Elia (Freie Universität Berlin) Congruence normality for simplicial hyperplane arrangements | ||
| 11:30 - 12:00 | Coffee Break | |
| 12:00 - 13:00 | Christos Athanasiadis (National and Kapodistrian University of Athens) Face numbers of barycentric subdivisions of cubical polytopes | |
| 16:00 - 17:00 | Martina Juhnke (Universität Osnabrück) On the bond polytope | |
| 17:00 - 17:30 | Coffee Break | |
| 17:30 - 18:30 | Victor Reiner (University of Minnesota - Twin Cities) Universal parameters for Stanley-Reisner rings and a colorful Hochster formula | |
| 18:30 - 19:00 | Coffee Break | |
| 19:00 - 20:00 | Federico Ardila (San Francisco State University / Universidad de Los Andes) A tale of two polytopes: The bipermutohedron and the harmonic polytope | |
Date and Location
April 06 - 09, 2021
Max Planck Institute for Mathematics in the Sciences
Virtual event - Videobroadcast
Scientific Organizers
Federico Castillo
MPI for Mathematics in the Sciences
Giulia Codenotti
Goethe University Frankfurt
Benjamin Schröter
Royal Institute of Technology (KTH)
Administrative Contact
Saskia GutzschebauchMPI for Mathematics in the Sciences
Contact by Email