Workshops: Integral Structures in Geometry and Representation Theory

Members' meeting & Christmas party

09 Jan 2026 - 02:30 pm

Location:

Paderborn University

Speaker:

Petra Schwer

18 Dec 2025 - 04:00 pm

Location:

Bielefeld University

Organiser:

Symbolic Enumeration in Algebra (SEA)

11 Dec 2025 - 12 Dec 2025

Location:

Bielefeld University

Organisers:

Angela Carnevale, Paula Lins de Araujo, Joshua Maglione, Tobias Rossmann, Christopher Voll

Ignacio Barros, Ana-Maria Castravet, Laure Flapan, Dragos Oprea

27 Nov 2025 - 04:00 pm

Location:

Bielefeld University

Speaker:

Michael Joswig

Cycles on moduli spaces

17 Nov 2025 - 21 Nov 2025

Location:

CIRM

Organisers:

KOLKOM: Kolloquium über Kombinatorik

14 Nov 2025 - 15 Nov 2025

Location:

Bielefeld University

Organisers:

Barbara Baumeister, Dirk Frettlöh, Lukas Kühne

Asymptotic Algebra 2025

09 Oct 2025 - 10 Oct 2025

Location:

Bielefeld University

Organisers:

Steffen Kionke, Christopher Voll

Analysis on Lie groups and application

07 Oct 2025 - 08 Oct 2025

Location:

University of Bonn

Organisers:

Valentin Blomer, Tobias Weich

Summer school on formulas of Siegel and Weil

29 Sep 2025 - 02 Oct 2025

Location:

Bielefeld University

Organisers:

Claudia Alfes, Ana Botero

Groups: Finite and Infinite

29 Sep 2025 - 01 Oct 2025

Location:

Bielefeld University

Organisers:

Kai-Uwe Bux, Thomas Gobet, Linus Kramer, Georges Neaime

Summer school on Loop groups and Kac-Moody groups

21 Sep 2025 - 26 Sep 2025

Location:

Willebadessen

Organisers:

Sebastian Bischof, Kai-Uwe Bux, Helge Glöckner

Women in automorphic forms

10 Sep 2025 - 12 Sep 2025

Location:

University of Bremen

Organisers:

Claudia Alfes, Anke Pohl, Anna von Pippich

Women in Harmonic Analysis

08 Sep 2025 - 10 Sep 2025

Location:

Paderborn University

Organisers:

Guendalina Palmirotta, Effie Papageorgiou, Margit Rösler

Lie Theory, Spectra, and Dynamics

01 Sep 2025 - 05 Sep 2025

Location:

Paderborn University

Organisers:

Benjamin Delarue, Guendalina Palmirotta, Tobias Weich

Semiorthogonal decompositions for representations of algebraic groups

01 Sep 2025 - 03 Sep 2025

Location:

Bielefeld University

Organisers:

Wassilij Gnedin, Henning Krause, Eike Lau, Charles Vial

ENTR Workshop 25

27 Aug 2025 - 29 Aug 2025

Location:

Paderborn University

Organisers:

Abhijit Aryampilly Jayanthan, Claudius Heyer, Lucas Mann, Ingmar Metzler, Tomáš Perutka, Luca Speciale

The Legacy of Peter Gabriel

25 Aug 2025 - 29 Aug 2025

Location:

Bielefeld University, Lecture halls TBA

Organisers:

William Crawley-Boevey, Juan Omar Gomez Rodriguez, Henning Krause, Markus Reineke

BIREP summer school on finite tensor categories 2025

04 Aug 2025 - 08 Aug 2025

Location:

Willebadessen

Organisers:

Raphael Bennett-Tennenhaus, Benedikt Fluhr, Juan Omar Gomez Rodriguez, Christopher J. Parker

Max Hoffmann, Tobias Weich

02 Jul 2025 - 04 Jul 2025

Location:

Paderborn University

Organisers:

Ulrich Derenthal, Christian Lehn

27 Jun 2025 - 02:00 pm

Location:

Paderborn University

Speakers:

Modular in Bielefeld

23 Jun 2025 - 26 Jun 2025

Location:

Bielefeld University

Organisers:

Claudia Alfes, Ana Botero, Annika Burmester, Lennart Gehrmann, Paul Kiefer

Cohomological Franchetta Reading

26 May 2025 - 28 May 2025

Location:

Bielefeld University

Organisers:

Ignacio Barros, Salvatore Floccari, Charles Vial

Number Theory in Aperiodic Order

26 May 2025 - 30 May 2025

Location:

Bielefeld University

Organisers:

Michael Baake, Jan Mazáč

Markus Land, Markus Reineke

15 May 2025 - 04:00 pm

Location:

Bielefeld University

Speakers:

International Women in Mathematics Day

12 May 2025

Location:

Paderborn

Organisers:

Abhijit Aryampilly Jayanthan, Carl Mazzanti

LaTeX-Workshop

09 May 2025

Location:

Zoom

Organisers:

Anna Guntermann, Fabian Januszewski, Tobias Weich

Combinatorial Synergies in Geometry and Number Theory

24 Mar 2025 - 28 Mar 2025

Location:

IMPA, Rio de Janeiro

Organisers:

Ana Botero, Eduardo Esteves, Roberto Gualdi, Suely Lima, Marco Pacini, Eduardo Vital

Workshop on bricks and endofinite representations

03 Mar 2025 - 05 Mar 2025

Location:

Bielefeld University

Organisers:

William Crawley-Boevey, Henning Krause, Kaveh Mousavand

Retreat 2025

19 Feb 2025 - 21 Feb 2025

Location:

Hotel Schnitterhof, Bad Sassendorf

Speaker:

Scientific Writing Workshop

12 Feb 2025

Location:

Zoom

Organisers:

Abhijit Aryampilly Jayanthan, Anna Guntermann, Stepan Maximov, Carl Mazzanti, Moritz Petschick, Noam von Rotberg

Tobias Hartnick, Thomas Schick

31 Jan 2025 - 02:00 pm

Location:

Paderborn University

Speakers:

NoGAGS 2025

30 Jan 2025 - 31 Jan 2025

Location:

Bielefeld University

Organisers:

Ana Botero, Eike Lau, Charles Vial

Bielefeld-Münster Seminar on Groups, Geometry and Topology

24 Jan 2025

Location:

Münster

Organisers:

Members' meeting

17 Dec 2024 - 05:00 pm

Location:

Paderborn University

Speaker:

Combinatorial Methods in Enumerative Algebra

02 Dec 2024 - 13 Dec 2024

Location:

ICTS Bengaluru

Organisers:

Angela Carnevale, Uri Onn, Amritanshu Prasad, Pooja Singla, Christopher Voll

34th NRW Topology Meeting

22 Nov 2024 - 23 Nov 2024

Location:

Bielefeld University

Organisers:

Stefan Bauer, Fabian Hebestreit

Colloquium in Honour of Lutz Hille

21 Nov 2024 - 04:00 pm

Location:

Bielefeld University

Speaker:

Alexander Kuznetsov

15 Nov 2024

Location:

Bielefeld University

Organisers:

William Crawley-Boevey, Henning Krause

Betti numbers in commutative algebra and equivariant homotopy theory

23 Sep 2024 - 27 Sep 2024

Location:

Bielefeld University

Organisers:

Markus Hausmann, Claudia Miller, Marc Stephan, Mark Walker

ENTR Workshop 24

18 Sep 2024 - 20 Sep 2024

Location:

University of Duisburg-Essen

Organisers:

Sebastian Bartling, Annika Burmester, Paul Kiefer, Jie Lin, Giulio Marazza, Ingmar Metzler, Xiaoyu Zhang

60th Seminar Sophus Lie

16 Sep 2024 - 19 Sep 2024

Location:

Paderborn University

Organisers:

Benjamin Delarue, Helge Glöckner, Margit Rösler, Tobias Weich

Integral Structures in Geometry and Representation Theory

09 Sep 2024 - 13 Sep 2024

Location:

Paderborn

Organisers:

Claudia Alfes, Igor Burban, Kai-Uwe Bux, Charles Vial, Tobias Weich

Women in Representation Theory: quivers, mutations, and beyond

04 Sep 2024 - 06 Sep 2024

Location:

Bielefeld University

Organisers:

Teresa Conde, Julia Sauter

On the dual approach and non-crossing partitions

02 Sep 2024 - 07 Sep 2024

Location:

Bielefeld University

Organisers:

Barbara Baumeister, Thomas Gobet, Georges Neaime

Collaborations within the CRC

28 Aug 2024 - 29 Aug 2024

Location:

Bielefeld University

Speaker:

Algebra, Analysis, and Aperiodic Order

12 Aug 2024 - 16 Aug 2024

Location:

Bielefeld University

Organisers:

David Damanik, Neil Mañibo, Nicolae Strungaru

Symbolic Enumeration in Algebra (SEA)

18 Jul 2024 - 19 Jul 2024

Location:

Bielefeld University

Organisers:

Angela Carnevale, Paula Lins de Araujo, Joshua Maglione, Tobias Rossmann, Christopher Voll

BiMs: Bielefeld-Münster Seminar on Groups, Geometry and Topology

15 Jul 2024

Location:

Bielefeld

Organisers:

Max Hoffmann, Tobias Weich

25 Jun 2024 - 27 Jun 2024

Location:

Paderborn University

Organisers:

Conference CAVARET: "Curves, Abelian VArieties and RElated Topics"

17 Jun 2024 - 21 Jun 2024

Location:

Universitat de Barcelona, Barcelona, Catalonia, Spain

Organisers:

Emiliano Ambrosi, Giuseppe Ancona, Francesc Fité, Xavier Guitart

Gavril Farkas, Sibylle Schroll

13 Jun 2024 - 04:00 pm

Location:

Bielefeld University

Speakers:

Wandering Seminar: B-free systems and generalisations

06 Jun 2024 - 09 Jun 2024

Location:

Kraków

Organisers:

Michael Baake, Maik Gröger, Joanna Kułaga-Przymus, Dominik Kwietniak, Tanja Schindler

Tensors Algebra-Geometry-Applications

03 Jun 2024 - 07 Jun 2024

Location:

Colorado State U. Rocky Mountain Campus

Organisers:

Elina Robeva, Christopher Voll, James B. Wilson

International Day of Women in Math

10 May 2024

Location:

Bielefeld University

Organisers:

Anna Guntermann, Moritz Petschick

Sofia - Kovalevskaya - Lecture

02 May 2024 - 04:00 pm

Location:

Bielefeld University

Organisers:

Barbara Baumeister, Bettina Eick, Barbara Gentz

Topological and Homological Methods in Group Theory 2024

26 Apr 2024 - 02:00 pm

Location:

Paderborn University

Speaker:

Bram Petri

18 Mar 2024 - 22 Mar 2024

Location:

Bielefeld

Organisers:

Ilaria Castellano, Dawid Kielak, Stefan Witzel

Retreat 2024

19 Feb 2024 - 21 Feb 2024

Location:

Hotel Schnitterhof, Bad Sassendorf

Speaker:

BiMs: Bielefeld-Münster Seminar on Groups, Geometry and Topology

09 Feb 2024

Location:

Münster University

Organisers:

Jean-Philippe Anker, Olivier Schiffmann

26 Jan 2024 - 02:00 pm

Location:

Paderborn University

Speakers:

Members' meeting & Christmas party

11 Dec 2023 - 06:30 pm

Location:

Bielefeld University

Speaker:

Representation Theory and Non-Commutative Geometry / ARTIG 3

01 Dec 2023 - 02 Dec 2023

Location:

Paderborn University - Building O, Lecture Hall 1

Organisers:

Igor Burban, William Crawley-Boevey, Wassilij Gnedin, Henning Krause

ITCAG Workshop: Iwasawa theory and cohomology of arithmetic groups

27 Nov 2023 - 28 Nov 2023

Location:

Uni Bielefeld, V3-204 (lectures), and V2-105/115 (coffee breaks)

Organisers:

Alexandros Galanakis, Lennart Gehrmann, Alexandre Maksoud

Martina Juhnke-Kubitzke, Thomas Nikolaus

23 Nov 2023 - 04:00 pm

Location:

Bielefeld University

Speakers:

Women in automorphic forms

04 Oct 2023 - 06 Oct 2023

Location:

University of Konstanz

Organisers:

Claudia Alfes, Anke Pohl, Anna von Pippich

Groups 2023 - Northern Group Theory conference in honour of Bernd Fischer

28 Sep 2023 - 30 Sep 2023

Location:

Bielefeld University

Organisers:

Barbara Baumeister, Henning Krause, Christopher J. Parker, Bernd Stellmacher

Master Class on New Developments in Finite Generation of Cohomology

25 Sep 2023 - 27 Sep 2023

Location:

Bielefeld University and Zoom

Organisers:

Tobias Barthel, Rudradip Biswas, Henning Krause, Julia Pevtsova

SFB-TRR 195+358: Coactive, collaborative, coprime

20 Sep 2023 - 21 Sep 2023

Location:

Paderborn University

Organisers:

Claus Fieker, Jürgen Klüners, Yue Ren

GoTh Workshop: Groups of Thompson and their relatives

18 Sep 2023 - 22 Sep 2023

Location:

Magdeburg

Organisers:

Kai-Uwe Bux, Ilaria Castellano, José Quintanilha, Yuri Santos

Dynamics and asymptotics in algebra and number theory

11 Sep 2023 - 15 Sep 2023

Location:

Bielefeld

Organisers:

Claudia Alfes, Valentin Blomer, Anke Pohl, Christopher Voll

Silting in Representation Theory, Singularities, and Noncommutative Geometry

10 Sep 2023 - 15 Sep 2023

Location:

Oaxaca, Mexico

Organisers:

Lara Bossinger, Osamu Iyama, Henning Krause, Daniel Labardini-Fragoso, Michael Wemyss

Retreat 2023

04 Sep 2023 - 06 Sep 2023

Location:

Hotel Schnitterhof, Bad Sassendorf

Speaker:

Geometry of HyperKähler Varieties

03 Sep 2023 - 08 Sep 2023

Location:

Hangzhou, China

Organisers:

Ignacio Barros, Laure Flapan, Emanuele Macri, Laura Pertusi, Xiaolei Zhao

Early Number Theory Researchers Workshop

23 Aug 2023 - 25 Aug 2023

Location:

Bielefeld University

Organisers:

Patrick Bieker, Annika Burmester, Paul Kiefer, Johannes Krah, Ingmar Metzler, Karthika Rajeev, Rebekka Strathausen

Summer School on persistence modules

31 Jul 2023 - 04 Aug 2023

Location:

Bad Driburg

Organisers:

Raphael Bennett-Tennenhaus, Rudradip Biswas, Benedikt Fluhr, Jan-Paul Lerch, Janina Letz, Julia Sauter

Bielefeld-Münster Seminar on Groups, Geometry and Topology

28 Jul 2023

Location:

Bielefeld University

Organisers:

Giuseppe Ancona, Javier Fresan, Bruno Klingler, Yiannis Sakellaridis, Charles Vial

Periods

06 Jul 2023 - 11 Jul 2023

Location:

Nisyros Island, Greece

Organisers:

Martin Möller, Amnon Neeman

03 Jul 2023 - 04:00 pm

Location:

Paderborn University

Speakers:

Processes and heat kernels with symmetries

26 Jun 2023 - 30 Jun 2023

Location:

Angers, Frankreich

Organisers:

Jean-Philippe Anker, Gilles Carron, Piotr Graczyk, Alessandra Occelli, Margit Rösler, Patrice Sawyer

Workshop on finitistic dimensions

15 Jun 2023 - 16 Jun 2023

Location:

Bielefeld University

Organisers:

Charley Cummings, Henning Krause, Jeremy Rickard, Greg Stevenson

Claudia Alfes, Lukas Kühne

12 Jun 2023 - 14 Jun 2023

Location:

ZiF, Bielefeld

Organisers:

12 Jun 2023 - 14 Jun 2023

Location:

Paderborn University

Organiser:

Tobias Weich