This is the seventeenth of a series of  short workshops jointly organized by the Geometry/Topology groups in Bonn, Nijmegen, and Utrecht, all situated along the Lower Rhine. The focus lies on the development and application of new structures in geometry and topology such as Lie groupoids, differentiable stacks, Lie algebroids, generalized complex geometry, topological quantum field theories, higher categories, homotopy algebraic structures, higher operads, derived categories, and related topics.

Webpages of the previous meetings: I (Bonn), II (Nijmegen), III (Utrecht), IV (Bonn), V (Nijmegen), VI (Utrecht), VII (Leuven), VIII (Bonn), IX (Nijmegen), X (Utrecht), XI (Bonn), XII (Nijmegen),  XIII (Utrecht), XIV (MPIM Bonn), XV (Nijmegen), XVI (Utrecht)

Speakers

Remy van Dobben de Bruyn (Utrecht)
David Miyamoto (MPIM)
Jaco Ruit (Utrecht)
Steffen Sagave (Nijmegen)
Andreas Schüßler (KU Leuven)
Karandeep Singh (MPIM)
Katrin Wehrheim (UC Berkeley)

Program

See above "Program and Abstracts"

Registration

The registration is closed.

Financial support

Limited financial support is available. If you need support, please add a request on your registration webform with a brief justification. Please note that the workshop is relatively local in scope, so that we might be able to cover your accommodation but probably not your travel expenses. Please note that due to time constraints, the hotel registration is binding if you get an invitation from us and have selected a hotel request in your registration.

Practical information

For practical information such as how to get to the institute and a list of hotels see here.

For any further inquiries please send an email to conference$@$mpim-bonn$.$mpg$.$de.

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

GROW@Bonn 2024 is for all students of underrepresented gender identities in mathematics, especially female students, who are interested in learning about graduate programmes and further opportunities in research, both within and outside academia. The conference is open to Bachelor and Master students from universities in Germany and neighbouring countries, including international students. It is possible to apply for funding for hotel and/or travel costs in the registration.

Talks and panels will be in English, but many of the mentors/volunteers/organisers will be able to speak in German and possibly other languages.

The conference will feature

- A plenary talk;
- Research talks by faculty and PhD students;
- Panel discussions about graduate research in the mathematical sciences;
- Networking and mentoring opportunities;
- Advice on preparing applications for graduate school (Master and PhD).

All interested students must register beforehand (registration form will follow), regardless of whether you are applying for funding. Confirmed participants will be notified by email.

We are currently looking for local mathematicians who would like to come and chat with our participants at GROW@Bonn 2024. Please register here to volunteer.

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

Registration

As of February 14, 2024 the registration is closed.

Plenary speaker

Kathryn Hess Bellwald (EPFL)

photo: Eddy Mottaz at Le Temps

Kathryn Hess Bellwald is a distinguished mathematician known primarily for her contributions to the fields of algebraic topology and category theory. She has also pioneered groundbreaking new ways to apply techniques from pure mathematics to materials science and the life sciences. Hess received her PhD in 1989 from the Massachusetts Institute of Technology (MIT) and since 1991 has been affiliated with École Polytechnique Fédérale de Lausanne (EPFL), where she is now a full professor. She is also an associate vice-president for student affairs and outreach and has won numerous accolades for her outstanding teaching abilities. In 2017, Hess was named a fellow of the American Mathematical Society (AMS) and received an award as a distinguished speaker of the European Mathematical Society (EMS). In 2021, she spoke at the European Congress of Mathematics (ECM). She was the recipient of the de la Vallée Poussin Chair at UCLouvain in 2023. Recently, the Association of Women in Mathematics (AWM) has honoured Hess’ commitment to improving gender diversity in mathematics by selecting her as a 2024 AWM Fellow.

Further speakers and panelists

Lory Aintablian (BIGS / MPIM Bonn)

Lynn D’eer (imec / University of Antwerp)

Elena Demattè (University of Bonn)

Gianne Derks (Universiteit Leiden)

Jessica Fintzen (University of Bonn)

photo:Volker Lannert

Jens Funke (Durham University / MPIM Bonn)

Philipp Hieronymi (University of Bonn)

photo:Volker Lannert

Antje Kiesel (University of Bonn)

Laura Maaßen (Comma Soft)

Ashkan Nikeghbali (University of Zürich)

Viktoriya Ozornova (MPIM)

photo:Volker Lannert

Oana Padurariu (MPIM)

Luise Puhlmann (University of Bonn)

Leonie Scherer (Goethe-Universität Frankfurt)

Katrin Wehrheim (UC Berkeley / MPIM Bonn)

Annette Werner (Goethe-Universität Frankfurt)

Don Zagier (MPIM Bonn)

Organising committee

Pieter Belmans (University of Luxembourg)

Yajnaseni Dutta (University of Leiden)

Regula Krapf (University of Bonn)

Dominique Mattei (University of Bonn)

Arunima Ray (MPIM Bonn)

Emanuel Reinecke (IAS)

Laura Wakelin (MPIM Bonn)

Locations

Here you can find a map of locations relevant for the conference.
                                                                

Previous iterations of GROW took place at

• HCM (2023)
• Duke University (2022)
• University of Bonn (2022)
• University of Illinois at Chicago (2021)
• University of Chicago (2020)
• University of Illinois at Urbana-Champaign (2019)
• University of Michigan (2018)
• Northwestern (2015-17)

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

Arbeitstagung 2023 on Condensed Mathematics, June 19 - 23, 2023

The Arbeitstagung 2023 will focus on Condensed Mathematics, a new approach to topology, and its applications throughout mathematics, from logic over algebra, analysis and K-theory to group theory and dynamical systems. As usual at an Arbeitstagung, part of the program will only be decided during the event depending on the interests of the audience.

Organizers
Dustin Clausen, Peter Scholze

Local organizer

Christian Blohmann

Speakers 

Program

For the program and the abstracts follow this link.

Registration

We ask for your understanding that due to high demand and many applications the registration is now closed.

Dinner

There will be a dinner reception in the evening of Tuesday, June 20, 2023 at the University Club. Participants who would like to attend the dinner are asked to state this on the registration webform.

Hotel reservations

If you would like us to make a hotel reservation for you, please state this on the registration webform. We can only honor requests for hotel reservations made by us. If you would like to make a hotel reservation by yourself you will find a list of hotels here.

For any further inquiries please send an email to at2023$@$mpim-bonn$.$mpg$.$de .

Warning: 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.

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

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Registration

As of June 1, 2023 the registration has been closed as announced. We ask for your understanding that due to a very high number of applications, we can not allow late registrations.

Hotel reservations

If you would like us to make a hotel reservation for you, please state this on the registration webform. We can only honor requests for hotel reservations made by us. If you would like to make a hotel reservation by yourself you will find a list of hotels here.

For any further inquiries please send an email to yobo23$@$mpim-bonn$.$mpg$.$de .

Warning: 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.

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

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Conference on "Arithmetic Statistics, Automorphic Forms and Ergodic Methods", April 24 - 28, 2023

The field of arithmetic statistics is a fast-moving area of number theory, dealing with distributional results for many basic and important objects: ranks of elliptic curves, central values of L-functions, number fields, modular symbols, orbits of discrete groups etc. The techniques involved come from diverse areas of mathematics e.g. automorphic forms, ergodic theory, spectral theory, dynamical systems, probabilistic number theory, representation theory and random matrix theory. This workshop intends to bring together researchers of all career levels to present their work and exchange ideas and techniques on arithmetic statistics. Motivated by the  programme of Mazur and Rubin based on their computational study of elliptic curves over abelian extensions of fixed degree, the meeting will focus on modular symbols, Manin's noncommutative modular symbols, equidistribution of lattice points on the sphere, Heegner points, and closed geodesics, including the error term in the Prime Geodesic Theorem.

There will be invited talks lasting 50 or 25 minutes and other events aimed at facilitating discussions among participants.

In case you have any questions, please contact aristat$@$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.

Registration

As of November 30, 2022 the registration is closed. The total number of participants is limited and, after the deadline, we will inform the registered participants in January 2023 if participation is possible.

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.

Main speakers

Edgar Assing - University of Bonn
Sandro Bettin - University of Genova
Valentin Blomer - University of Bonn
Claire Burrin - ETH Zürich
Petru Constantinescu - EPFL
Alex Cowan - Harvard
Sary Drappeau - Aix-Marseille Université
Gergely Harcos - Alfréd Rényi Institute of Mathematics
Jeff Hoffstein - Brown University
Emmanuel Kowalski - ETH Zürich
Jungwon Lee - University of Warwick
Seonhee Lim - Seoul National University
Asbjørn Nordentoft - Université Paris Sorbonne Nord
Jennifer Park - Ohio State University
Anke Pohl - University of Bremen
Morten Risager - University of Copenhagen
Hae-Sang Sun - UNIST
Matthew Welsh - University of Bristol

Organisers

Nikos Diamantis - University of Nottingham
Min Lee - University of Bristol
Pieter Moree - Max Planck Institute for Mathematics
Yiannis Petridis - University College London

We thank Barry Mazur and Karl Rubin for the permission to use the above figure:

(https://www.math.uci.edu/~krubin/lectures/simons.pdf)

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Arithmetic Groups and 3-Manifolds

Arithmetic groups provide a fruitful link between various areas, such as geometry, topology, representation theory and number theory. Methods from geometry and topology hinge on the fact that arithmetic groups are lattices in Lie groups, whereas the theory of automorphic forms establishes a connection to representation theory and number theory. This interplay is especially intriguing in the setting of hyperbolic 3-manifolds. Indeed many conjectures in 3-manifold theory tend to be much more accessible for hyperbolic 3-manifolds whose fundamental groups are arithmetic, and conversely such manifolds provide the simplest set-up in which some of the most exciting new phenomena in the Langlands program can be studied. This conference will bring together researchers with various backgrounds around links between number theory and 3-manifolds. Central topics of the conference are the cohomology of arithmetic groups, the relation between torsion and L²-torsion, profinite invariants of 3-manifolds, and number theoretic ramifications.
 

Limited funding to cover travel cost and accommodation is available for early carreer participants.

The conference is planned as a hybrid event.

Who can participate?
We are currently planning to run the event according to the "3G" rule, which means you have to be fully vaccinated (with a EU-recognized vaccine, at least 2 doses, last vaccination at least 14 days previously) OR recovered from Covid (positive test min. 28 days and max. 90 days old) OR tested (certified negative test result not older than 24 h (rapid antigen test) or 48 h (PCR test)). There currently is a mask obligation in the institute.
It will be announced here, in case these regulations change.

Registration
The registration is now closed.

If you have questions, please contact a3m22@mpim-bonn.mpg.de.

For the schedule see the "details/program" above.

Speakers:

In person:
Misha Belolipetsky - IMPA
Tobias Berger - University of Sheffield
Nathan Dunfield - UIUC
Dawid Kielak - University of Oxford
Boris Okun - UW Milwaukee / MPIM
Anke Pohl  University of Bremen
Jean Raimbault - Université Paul Sabatier - Toulouse
Cameron Rudd - UIUC
William Stagner - Rice University
Matthew Stover - Temple University

Virtually:
Martin Bridson - University of Oxford
Mikolaj Fraczyk - University of Chicago
Luis Garcia - UCL, London
Michael Lipnowski - McGill University
Clara Löh - University Regensburg
Ben McReynolds - Purdue University
Aurel Page - INRIA
Bram Petri - Jussieu
Tian An Wong - University of Michigan-Dearborn

Organizers:

Holger Kammeyer - Heinrich-Heine University Düsseldorf
Steffen Kionke - FernUniversität in Hagen
Alan Reid - Rice University / MPIM
Haluk Șengün - University of Sheffield

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

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A conference on Algebraic Topology, in memory of Hans-Joachim Baues

This conference is intended to provide an overview of current research in homotopy theory, which has vastly expanded since its roots in the 19th century from the study of topological spaces by algebraic and combinatorial means to other fields of mathematics, including algebraic geometry, differential topology, and mathematical physics.

We will have morning talks presenting comprehensive viewpoints by a selection of experts, with the afternoon dedicated to more specialized talks - all of which should be accessible to a general audience of homotopy theorists.

We are planning to hold the conference as a hybrid event. However, due to the still unpredictable course of the pandemic, we reserve the right to organisational changes.

The registration is closed.

If you have any questions, please contact conference$@$mpim-bonn$.$mpg$.$de.

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.

Main speakers:
Clemens Berger - Université de Nice-Sophia Antipolis
Carles Casacuberta - Universitat de Barcelona
Paul Goerss - Northwestern University 
Drew Heard - NTNU Trondheim
Alice Hedenlund - University Uppsala
Hans-Werner Henn - Université de Strasbourg
Kathryn Hess - École Polytechnique Fédérale de Lausanne
Wolfgang Lueck - University of Bonn
Martin Markl - The Czech Academy of Sciences
Ieke Moerdijk - Universiteit Utrecht
Viktoriya Ozornova - Max Planck Institute for Mathematics
Doug Ravenel - University of Rochester
Birgit Richter - Universität Hamburg
Claudia Scheimbauer - TU München (online talk)
Stefan Schwede - University of Bonn
Andy Tonks - Universidad de Málaga
Sarah Whitehouse - University of Sheffield
Lior Yanovski - Hebrew University of Jerusalem
 

Organizers:
Tobias Barthel - Max Planck Institute for Mathematics
David Blanc - University of Haifa
Martin Frankland - University of Regina
Fernando Muro - University of Seville
Teimuraz Pirashvili - University of Leicester (online)
Peter Teichner - Max Planck Institute for Mathematics

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

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Live Streaming information

The talks are available in the live stream here and here

This is the fourteenth of a series of  short workshops jointly organized by the Geometry/Topology groups in Bonn, Nijmegen, and Utrecht, all situated along the Lower Rhine. The focus lies on the development and application of new structures in geometry and topology such as Lie groupoids, differentiable stacks, Lie algebroids, generalized complex geometry, topological quantum field theories, higher categories, homotopy algebraic structures, higher operads, derived categories, and related topics.

Webpages of the previous meetings: I (Bonn), II (Nijmegen), III (Utrecht), IV (Bonn), V (Nijmegen), VI (Utrecht), VII (Leuven), VIII (Bonn), IX (Nijmegen), X (Utrecht), XI (Bonn), XII (Nijmegen),  XIII(Utrecht)  

Speakers

Rui Fernandes (University of Illinois, Urbana-Champaign)
Markus Hausmann (Uni Bonn)
Magdalena Kedziorek (Nijmegen)
Andrey Lazarev (Lancaster/MPIM)
Lauran Toussaint (Utrecht)
Florian Zeiser (Nijmegen)
Mingcong Zeng (Utrecht)

Program

Here are the links to the program and the abstracts as soon as they become available.

Registration

To register please use the registration webform. There is no registration fee. For any further inquiries please send an email to LowerRhine@mpim-bonn.mpg.de.

Financial support

Limited financial support is available. If you need support, please add a request on your registration webform with a brief justification. Please note that the workshop is relatively local in scope, so that we might be able to cover your accommodation but probably not your travel expenses. The Deadline is February 16, 2020.

Practical information

For practical information such as how to get to the institute and a list of hotels see here.

Special colloquium on the occasion of the retirement of Prof. Don Zagier as MPIM director at the end of June 2019