Combinatorics

Date:	Speaker:	Title:
9/15/20	Logan Crew	Edge Deletion-Contraction in the Chromatic and Tutte Symmetric Functions
9/22/20	Andrew Vince	TBA
9/29/20	Miklos Bona	Alternating runs in permutations — enumeration under group action.
10/20/20	Elijah DeJonge	Pattern Avoiding Permutations with a Unique Longest Increasing Subsequence
11/10/20	Colleen Robicheax	An Efficient Algorithm for Deciding the Vanishing of Schubert Polynomial Coefficients
11/17/20	Galen Dorpalen-Barry	Cones of Hyperplane Arrangements through the Varchenko-Gel’fand Ring
11/24/20	Raul Peniaguiao	Feasible regions meets pattern avoidance – The long awaited part three of feasible regions