The University of Illinois Algebra-Geometry-Combinatorics Seminar
Fall 2020, Thursdays 3-3:50PM, place: Zoom

date speaker affiliation title
August 6, 10-11AM
 Timothy Chow Institute for Defense Analyses, Princeton Algorithmically Distinguishing Irreducible Characters of the
Symmetric Group
August 13
 Anna Weigandt University of Michigan Gröbner geometry of Schubert polynomials through ice
August 27
 Federico Castillo Max Planck Institute Leipzig When are multidegrees positive?
September 3
 Joint with IRT:
Travis Scrimshaw 		The University of Queensland Coloring K-Theoretic Schubert Calculus
September 10, 4-5PM
 Colloquium and RTG event:
Noga Alon		 Princeton University and Tel Aviv University Fair Representations
September 10, 6-7PM
 Dominic Searles University of Otago Kohnert polynomials and their stable limits
September 17
 Patricia Klein University of Minnesota Geometric vertex decomposition and liaison
September 24
 Benjamin Braun University of Kentucky The Integer Decomposition Property and Ehrhart Unimodality for
Weighted Projective Space Simplices
October 1
 Combinatorics Colloquium and
RTG event: Hugh Thomas 		Université du Québec à Montréal The fundamental theorem of finite semi-distributive lattices
October 8
 Reuven Hodges University of Illinois at Urbana-Champaign Coxeter combinatorics and spherical Schubert geometry
October 13, 9-10AM
 Eric Marberg The Hong Kong University of Science
and Technology 		Gröbner geometry for skew-symmetric matrix Schubert varieties
October 25, 10-11AM
 Samantha Dahlberg Arizona State University Diameters of Graphs of Reduced Words of Permutations
October 29
 Joint with IRT:
Chris Fraser 		University of Minnesota Cyclic symmetry loci in Grassmannians
November 5, 4-5PM
 Colloquium and RTG event:
Greta Panova 		University of Southern California Computational Complexity meets Algebraic Combinatorics
November 12, 7-8PM
 Neil Fan Sichuan University Vertices and lattice points of Schubitopes
November 19
 Minyoung Jeon The Ohio State University (Co)vexillary Schubert varieties and Kazhdan-Lusztig polynomials
December 1, 1-2PM
 ALGECOM event:
Julia Plavnik 		Indiana University Bloomington On the classification of modular categories
December 2, 1-2PM
 ALGECOM event:
Alexander Diaz-Lopez 		Villanova University Arithmetical Structures on Graphs
December 3, 1-2PM
 ALGECOM event:
Alejandro H. Morales 		University of Massachusetts Amherst Refinements and symmetries for volumes of flow polytopes
December 4, 1-2PM
 ALGECOM event:
Josephine Yu 		Georgia Institute of Technology Positively Hyperbolic Varieties, Tropicalization, and Positroids
December 10, 10-11AM
 Combinatorics Colloquium and
RTG event: Maria Chudnovsky 		Princeton University Induced subgraphs and tree decompositions

Seminar abstracts are available here. Colloquia abstracts are available here. After most talks, the seminar will transition to a 1 hour chat with the speaker.


Last semester's seminar , Next semester's seminar

The seminar co-organizers are Reuven Hodges, Colleen Robichaux, Avery St. Dizier, and Alexander Yong. Please email Colleen Robichaux at cer2 (at) illinois (dot) edu for the Zoom ID and password. To obtain access to ALGECOM talks, complete this form.