Participants of Hausdorff School: The Emerton Gee Stack

Hausdorff School on the Emerton-Gee stack and related topics

Dates: September 9 - 13, 2019

Venue: Lipschitz-Saal (Endenicher Allee 60, Bonn)

Organizers: Johannes Anschütz (Bonn), Arthur-César Le Bras (Paris), Andreas Mihatsch (Bonn)



The Emerton-Gee stack is an object whose geometric properties reflect deep results about p-adic Galois representations of local fields. It is constructed using (phi,Gamma)-modules and Breuil-Kisin-Fargues modules with coefficients, and the study of its geometry is intimately connected with important problems in the p-adic Langlands program, including generalizations of Serre's modularity conjecture and the Breuil-Mezard conjecture. The goal of the Hausdorff school is to give a detailed and example-based introduction, accessible to PhD students and post-docs in the field, to the Emerton-Gee stack: its construction, its properties and some of its applications. Related topics, such as the relation between Breuil-Kisin modules and p-divisible groups, or the theory of (phi,Gamma)-modules may be explored as well.

Confirmed lecturers:

  • Matthew Emerton (University of Chicago)
  • Toby Gee (Imperial College London)
  • Bao Le Hung (Northwestern University)

Single Speakers:

  • Sebastian Bartling (IMJ-PRG)
  • Axel Kölschbach Ortego (Universität Bonn)
  • Ariane Mézard (Sorbonne Université)
  • James Newton (King´s College London)
  • Vytautas Paskunas (Universität Duisburg-Essen)

Click here for the schedule.

Click here for the abstracts.

Click here for the abstract of Emerton and Gee. These abstracts contain suggestions for your background reading.

Click here for the abstract of Le Hung.

Click here for the notes of the course of Bao Le Hung.

Click here for the notes of Matthew Emerton. The file can also be found here:

Click here for the notes of Toby Gee. The file can also be found here:


The application has been closed.