Winter 2021

Date Speaker Title
January 14Steve MelczerAnalytic combinatorics, rigorous numerics, and uniqueness of biomembranes
January 21 Jason Bell The growth of groups and algebras
January 28 Olya MandelshtamThe multispecies TAZRP and modified Macdonald polynomials
February 4 Jessica StrikerPromotion and rowmotion: an ocean of notions
February 11Julien CourtielSolving Prellberg and Mortimer's conjecture - bijection(s) between Motzkin paths and triangular walks
February 18Reading week, no seminar
February 25Nick LoehrChain decompositions for q,t-Catalan numbers
March 4Ralph KaufmannGraphs and combinatorics with a relationship to algebra, geometry and physics
March 11Karen YeatsEquivalences of Wilson loop diagrams
March 18David WagnerThe Poset Conjecture: results, counterexamples, and open problems
March 25Colleen RobichauxAn Efficient Algorithm for Deciding the Vanishing of Schubert Polynomial Coefficients
April 1Amy WiebeA combinatorial approach to Minkowski tensors of polytopes
April 8Jonathan Novak A Tale of Two Integrals
April 15Yannic VargasAlgebraic structure of the Hopf algebra of double posets