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Conference on "Motives and Automorphic Forms" in Honour of Günter Harder's 85th Birthday

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Mon, 06/03/2023 - 09:00 - Fre, 10/03/2023 - 17:00

Conference on "Motives and Automorphic Forms" in Honour of Günter Harder's 85th Birthday, March 6 - 10, 2023

Following a line of research culminating in the works of Weil, Eichler, Shimura and Taniyama, then further pushed by the emerging of the Langlands program, many deep and fruitful bridges between automorphic forms and algebraic geometry have been explored and led to spectacular results. During the fifty years span from the proof of Ramanujan’s conjecture on the discriminant modular form, using the validity of the Weil conjectures in algebraic geometry over finite fields, to the recent proof of the Sato-Tate conjectures for elliptic curves over CM fields, using automorphic machinery, it has been clearly established that the interaction between these two fields has amazing applications in both directions. Moreover, several guiding principles in this area have been inspired by the philosophy of motives, which has now developed into a mature theory providing not only heuristics, but concrete and sophisticated new tools to attack problems. The aim of the conference is to present the state of the art of the field by gathering leading experts at the crossroads of automorphic forms, arithmetic geometry and representation theory, and celebrating Günter Harder’s influence on these topics.

In case you have any questions, please contact harder85$@$mpim-bonn$.$mpg$.$de.


Financial support

We encourage participants to seek external funding, so that the limited financial support available can be primarily used for early career mathematicians. In case you do need financial support, you can indicate this in the registration form.


As of November 27, 2022 the registration is closed. The total number of participants is limited and, after the deadline, we will inform the registered participants that were not already invited if participation is possible.

The conference will NOT be available online/as a hybrid event.

Hotels nearby

For a list of hotels near the MPIM, please see here.

Hotel scam alert: There is a hotel scam going around contacting people from conferences regarding accommodation. Please DO NOT reply to them or give out any credit card/personal information! We do not work with any travel agencies and we will only contact you through official MPIM e-mail-addresses.

3 short courses

A. Raghuram - Fordham University (online talk)
Short course of 3 lectures on Eisenstein Cohomology
Marc Levine - University Duisburg-Essen
Short course of 3 lectures on Motivic Cohomology
Jörg Wildeshaus - University Paris-Nord
Short course of 3 lectures on Shimura Varieties and Interior motives

Main speakers

Nicolas Bergeron - DMA, École normale supérieure (online talk)
Valentin Blomer - University of Bonn
Jessica Fintzen - University of Bonn
Michael Harris - Columbia University
Jochen Heinloth - University Duisburg-Essen
Kartik Prasanna - University of Michigan Ann-Arbor
Peter Scholze - MPIM Bonn
Joachim Schwermer - University of Vienna


Jitendra Bajpai
Mattia Cavicchi - University Paris-Saclay
Christian Kaiser - MPIM Bonn
Pieter Moree - MPIM Bonn


Policy for the Max Planck Society against discrimination, harassment and violence.


Recordings and notes can be found in the MPIM archive as soon as they become available.

Datei Poster_conference Harder 85th_2023.jpg1.77 MB
Datei Participants list_Harder 85 2023_22.02.2023.pdf135.21 KB
Datei Levine, Marc_Notes_HarderConference_MotivicCohomology.pdf508.56 KB
Datei DSC03859w2.jpg1.32 MB
Datei Notes Jörg Wildeshaus_Harder85.pdf1.16 MB
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