I now run Waterloo’s Tutte Colloquium – details
can be found here.
A historical listing of past speakers in the algebraic and enumerative combinatorics seminar can be found below. The current organizers of this seminar are
Logan Crew and
Olya Mandelshtam.
Fall 2021
| Date |
Speaker |
Title |
| Sept 16 3pm |
Carolina Benedetti (U. Andes) |
Quotients of lattice path matroids |
| Sept 23 |
Tianyi Yu (UCSD) |
Grothendieck to Lascoux expansions |
| Sept 30 |
Jon Noel (UVic) |
Forcing Quasirandomness in Permutations |
| Oct 7 |
Shiliang Gao (UIUC) |
Newell-Littlewood numbers |
| Oct 14 |
– |
Reading Week |
| Oct 21 |
Elaine Wong (RICAM) |
Computer Algebra for Tiling Problems |
| Oct 28 |
Social Event |
|
| Nov 4 |
Torin Greenwood (NDSU) |
How many ways can it fold? |
| Nov 11 |
Jay Pantone (Marquette) |
Combinatorial Exploration |
| Nov 18 |
Philippe Nadeau (Lyon) |
Remixed Eulerian numbers |
| Nov 25 |
Foster Tom (Berkeley) |
Horizontal-strip LLT polynomials |
| Dec 2 |
Mercedes Rosas (U. Sevilla) |
|
| Dec 9 |
Steven Santoli (Waterloo) |
|
Spring 2021
| Date |
Speaker |
Title |
| May 13 |
Christian Bean (Reykjavik) |
Automating the enumeration of pattern-avoiding permutations |
| May 20 |
Steven Karp (UQAM) |
q-Whittaker functions, finite fields, and Jordan forms |
| May 27 |
– |
CanaDAM, no seminar |
| June 3 |
Oliver Pechenik (Waterloo) |
What is the degree of a Grothendieck polynomial? |
| June 10 |
Lukas Nabergall (Waterloo) |
Enumerating hereditary classes of chord diagrams |
| June 17 |
Angèle Hamel (Wilfrid Laurier) |
Identities for ninth variation Schur Q-functions |
| June 24 |
Terrence George (Michigan) |
Arctic curves for groves |
| July 1 |
– |
Canada Day, no seminar |
| July 8 |
– |
FPSAC, no seminar |
| July 15 |
David Wagner (Waterloo) |
Subgraph counting polynomials – some old results and new ideas |
| July 22 |
Nadia Lafrenière (Dartmouth) |
The spectrum of the random-to-below Markov chain |
| July 29 |
Social Week |
|
| August 5 |
Simone Hu (Waterloo) |
A tale of two integrals |
| August 12 |
URA showcase |
|
Winter 2021
| Date |
Speaker |
Title |
| January 14 |
Steve Melczer |
Analytic combinatorics, rigorous numerics, and uniqueness of biomembranes |
| January 21 |
Jason Bell |
The growth of groups and algebras |
| January 28 |
Olya Mandelshtam |
The multispecies TAZRP and modified Macdonald polynomials |
| February 4 |
Jessica Striker |
Promotion and rowmotion – an ocean of notions |
| February 11 |
Julien Courtiel |
Solving Prellberg and Mortimer’s conjecture - bijection(s) between Motzkin paths and triangular walks |
| February 18 |
– |
Reading week, no seminar |
| February 25 |
Nick Loehr |
Chain decompositions for q,t-Catalan numbers |
| March 4 |
Ralph Kaufmann |
Graphs and combinatorics with a relationship to algebra, geometry and physics |
| March 11 |
Karen Yeats |
Equivalences of Wilson loop diagrams |
| March 18 |
David Wagner |
The Poset Conjecture: results, counterexamples, and open problems |
| March 25 |
Colleen Robichaux |
An Efficient Algorithm for Deciding the Vanishing of Schubert Polynomial Coefficients |
| April 1 |
Amy Wiebe |
A combinatorial approach to Minkowski tensors of polytopes |
| April 8 |
Jonathan Novak |
A Tale of Two Integrals |
| April 15 |
Yannic Vargas |
Algebraic structure of the Hopf algebra of double posets |