*Date* |
*Speaker* | *Seminar* | *Title* |

Friday, September 06, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Gilyoung Cheong**
*University of Michigan* | Combinatorics | Cycle index and Cohen-Lenstra distributions given by p-adic matrices |

Friday, September 13, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Brendon Rhoades**
*UC San Diego* | Combinatorics | Spanning subspace configurations |

Friday, September 20, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Christopher Eur**
*UC Berkeley* | Combinatorics | Simplicial generation of Chow rings of matroids |

Friday, September 27, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Hanbaek Lyu**
*UCLA* | Combinatorics | Phase transition in random contingency tables with non-uniform margins |

Friday, October 04, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**David Galvin**
*University of Notre Dame* | Combinatorics | Total non-negativity of some combinatorial matrices |

Friday, October 11, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Emily Barnard**
*De Paul University* | Combinatorics | Graph Associahedra and the Poset of Maximal Tubings |

Friday, October 18, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Jake Levinson**
*University of Washington* | Combinatorics | A topological proof of the Shapiro-Shapiro Conjecture |

Friday, October 25, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Alexander Garver**
*University of Michigan* | Combinatorics | Chapoton triangles and nonkissing complexes |

Friday, November 01, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Christopher Ryba**
*MIT* | Combinatorics | Combinatorics via Deligne Categories |

Friday, November 08, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Bruce Sagan**
*Michigan State University* | Combinatorics | Combinatorial and algebraic interpretations of Lucas analogues |

Friday, November 22, 2019 Start: 3:00 PM
Location: 4096 East Hall |
**Helen Jenne**
*University of Oregon* | Combinatorics | TBA |