Workshop on Prismatic Cohomology

We will study prismatic cohomology, a new cohomology theory developed by Bhargav Bhatt and Peter Scholze. There will be 10 talks, see below for further details.

Organizers: Eike Lau, Torsten Wedhorn, Eva Viehmann / Ulrich Görtz (local organizer)

Date: March 27 – 29, 2019 (We will start on Wednesday at 10am, and the workshop will end on Friday around 2pm)

Place: Department of Mathematics, University of Duisburg-Essen (Thea-Leymann-Str. 9, 45127 Essen)

Program: pdf

Notes

Notes for the talk on Non-abelian derived functors by Fritz Hörmann

Talks and schedule

1 $\delta$-rings Jakob Stix (Frankfurt) Wednesday 10:00 – 11:15
2 Derived completion Jens Hesse (Darmstadt) 11:45 – 12:45
3 Prisms Maria Beckemeyer (Münster) + Karsten Schrödter (Bielefeld) 14:45 – 16:00
4 The prismatic site and the Hodge-Tate comparison map Matteo Tamiozzo (Essen) 16:30 – 17:30
5 Crystalline and Hodge-Tate comparison maps Lennart Gehrmann (Essen) Thursday 9:30 – 10:45
6 Non-abelian derived functors Fritz Hörmann (Freiburg) 11:15 – 12:45
7 Derived prismatic cohomology Kay Rülling (FU Berlin) 15:00 – 16:00
8 Application to perfectoid rings Paul Hamacher (TU München) 16:30 – 17:30
9 Étale comparison Johannes Anschütz (Bonn) Friday 9:30 – 10:45
10 Application: $q$-de Rham cohomology Andreas Pieper (Ulm) 11:15 – 12:30