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Combinatorics & algebra seminar 2022-2023

Unless otherwise noted, the seminar will meet on Monday afternoon, 4–5PM, in Rome 206.

Spring 2023
Date Speaker Institution Title
1/30 Max Alekseyev GWU Quantum informatics meets bioinformatics: combinatorial enumeration of special breakpoints graphs with application to calculating entanglement
2/6 Van Nguyen USNA Research directions on Hopf algebras
2/13 Franklin Kenter USNA The Ordered Multiplicity Inverse Eigenvalue Sequence Problem, Powers Of Graphs, And More!
2/20 No seminar President's day
2/27 Lowell Abrams GWU Foolin' with Fullerenes
3/6 Yan Zhuang Davidson Shuffle-Compatibility: From Linear to Cyclic Cancelled
3/13 No seminar Spring break
3/20 Tianyuan Xu Haverford 2-roots for simply laced Weyl groups
Wednesday, 3/29 at 4pm
Kyle Petersen DePaul Napkin problems
4/10 Darij Grinberg Drexel The one-sided cycle shuffles in the symmetric group algebra
Fall 2022
Date Speaker Institution Title
9/9 Charlotte Ure UVA Twisting Preregular Forms by 2-Cocycles
10/14 Michael Tait Villanova Proving algebraic results using only elementary linear algebra and graph theory
10/21 Susama Agarwala Positroids, parameterizations, and physics
10/28 Rachel Kirsch GMU Shortening universal cycles for words, graphs, and permutations
11/4 Bridget Tenner DePaul Counting patterns
11/18 Rob Won GWU The card game SET, finite affine geometry, and combinatorial number theory
12/2 Joel Lewis GWU Hurwitz numbers for complex reflection groups

The seminar is co-organized by Joe Bonin, Joel Lewis, and Robert Won. For titles and abstracts from past seminars, see the combinatorics seminar archive.