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.