Homotopy Reading Seminar (Fall 2025)

Habiro and Haribo from AI

Logistics

Organizers: Greg, Shizhang, and Zhiyou
Time: Tuesday 13:00--15:00
Location: MCM 110

This is a continuation of an informal seminar originally on papers with homotopy flavors.

This semester, the topic is q-de Rham cohomology and Habiro cohomology, following Wagner's thesis.

Schedule (roughly)

  Date  Speaker  Topic 
Lecture 1  September 16th  Greg  Introduction 
Lecture 2  September 23rd  Jiahong Yu  q-de Rham cohomology 
Lecture 3  October 14th  Yifan Jin  Even filtration 上 
Lecture 4  October 21st  Greg  Even filtration 下 
Lecture 5  October 28th  Shizhang  THH and motivic filtration 
Lecture 6  November 4th  Aowen Fan  $\mathrm{TC}^{-}(ku[x]/ku)$ 上 
Lecture 7  November 11th  Aowen Fan  $\mathrm{TC}^{-}(ku[x]/ku)$ 下 
Lecture 8  December 2nd  Guchuan Li  Genuine equivariant homotopy 
Lecture 9  December 9th  Yong Suk  Habiro cohomology 
Lecture 10  December 16th  Zhiyou  Habiro cohomology via genuine equivariant homotopy 
Lecture 11  December 23th    Dualizable category and rigidity of localized motives 上 
Lecture 12  December 30th    Dualizable category and rigidity of localized motives 下 
Lecture 13  January 6th    Refined THH 上 
Lecture 14  January 13th    Refined THH 下 

Last updated: Sep. 19th, 2025.

The template for this page is copied from Pak-Hin Lee

Back to Organizing