**Ho**motopy/**Ho**mology, **Mo**del categories, **To**pos theory, and sim**P**licial, **I**nfinity-, and d**E**rived things **S**tudent **S**eminar

**Meeting Time** |
Mondays, 4-5pm |

**Meeting Place** |
Malott 532 |

This is the webpage for HoMoToPIESS, an informal seminar for homotopically-minded graduate students at Cornell. The format is to alternate giving a series of 1-2 talks, with the first intended as an approachable introduction to the speaker’s chosen topic. The organizers are Chase Vogeli and Kimball Strong.

## Spring 2022 Schedule

Date |
Speaker |
Topic |

February 14 |
Chase |
The Barratt-Priddy-Quillen Theorem |

February 21 |
Chase |
The Barratt-Priddy-Quillen Theorem |

February 28 |
*No talk* |
*February Break* |

March 7 |
Kimball |
Model Categories: ∞-Categories in Disguise |

March 14 |
*No talk* |
*Pie Day!* |

March 21 |
Kimball |
Rational Homotopy Theory |

March 28 |
Kimball |
Rational Homotopy Theory |

April 11 |
Chase |
Operads, their Algebras, and their Homology |

April 18 |
*No talk* |
*David Mehrle’s Thesis Defense* |

April 25 |
Guanyu |
A deformable introduction to Hochschild cohomology |

May 2 |
Guanyu |
From Hochschlid homology to higher Hochschild homology |

May 9 |
Mark |
One Diagonal Theorem to Rule them All |