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.

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) |

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 |

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 |