Conferences/Workshops/Summer Schools etc.

2027

• Scissors Congruence K-theory and Manifolds, May 30-June 04, Banff International Research Station, Banff, Canada

2026

• 38th NRW topology meeting, ?, RUB, Bochum, Germany

• 37th NRW topology meeting, June 11-12, Universität Münster, Münster, Germany

• Groups and Geometry in North-Rhine Westphalia, April 30, Universität Münster, Münster, Germany

• Co-organizer of Workshop on Recent Advances in Motivic Cohomology: The Motivic Filtration for Algebraic K-theory, March 18-20, Universität Osnabrück, Osnabrück, Germany

• Mini-Topology-Workshop, March 16-17, Universität Osnabrück, Osnabrück, Germany

2025

• 36th NRW topology meeting, November 06-07, Mathematikzentrum der Universität Bonn, Bonn, Germany

• Motives and Arithmetic Geometry, July 28-August 01, TU Darmstadt, Darmstadt, Germany

• Scissors Congruence and K-theory, July 14-17, University of Pennsylvania, Philadelphia, Pennsylvania, USA

• Polylogarithms, homology of linear groups, and Steinberg modules, June 08-13, SwissMAP Research Station (SRS), Les Diablerets, Switzerland

• 35th NRW topology meeting, May 23-24, Universität Osnabrück, Osnabrück, Germany

• Workshop: Lurie's Elliptic Cohomology, March 31-April 04, BUW, Wuppertal, Germany

2024

• 34th NRW topology meeting, November 22-23, Universität Bielefeld, Bielefeld, Germany

• Collaborative Workshop in K-theory and Scissors Congruence, July 29-August 02, VU, Nashville, Tennessee, USA

• PCMI 2024 Research Program: Motivic Homotopy Theory, July 13-27, PCMI, Park City, Utah, USA

• Scissors congruences, algebraic K-theory and Steinberg modules, July 08-12, AIM, Pasadena, California, USA

• 33rd NRW Topology Meeting, April 26-27, BUW, Wuppertal, Germany

• Winter school on unstable motivic homotopy theory, March 11-15, JGU, Mainz, Germany

2023

• Algebraic K-theory and Redshift Fall school, September 18-22, JGU, Mainz, Germany

• Young Topologists Meeting 2023, July 24-28, EPFL, Lausanne, Switzerland

• Homotopy theory, K-theory and trace methods, July 05-07, Radboud University Nijmegen, Nijmegen, Netherlands

• Motivic and non-commutative aspects of enumerative geometry, July 03-05, Radboud University Nijmegen, Nijmegen, Netherlands

• Summer School on Scissors Congruence, Algebraic K-theory, and Trace Methods, June 26-30, IU, Bloomington, Indiana, USA

• Talbot 2023: Computations in motivic stable homotopy theory, June 04-10, The Shire in the woods, McGrath, Minnesota, USA

2022

• Co-organizer of Summer School on Motivic Integration, September 12-16, HHU, Düsseldorf, Germany

• Harnessing motivic invariants, June 27-July 01, UDE, Essen, Germany

• ICM 2022 Satellite "Motives and Related Topics", June 27-July 01, St. Petersburg, Russia

     replaced by "Harnessing motivic invariants"

• Algebraic K-theory, motivic cohomology and motivic homotopy theory, June 13-17, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK

• Grothendieck ring and Derived category: a gathering, April 27-28, Università di Torino, Turin, Italy

2021

• Unifying Themes in Geometry, September 27-30, Lake Como School of Advanced Studies, Como, Italy

• Summer School and Conference on Six Functor Formalism and Motivic Homotopy Theory, September 20-24, Università degli Studi di Milano, Milan, Italy

• Summer school on derived and triangulated categories, September 13-17, BUW, Wuppertal, Germany

• 2021 Graduate Summer School: An introduction to motivic homotopy theory and its applications, July 12-16, IAS/PCMI, Princeton, New Jersey, USA

• Toposes online, June 24-26, 28-30,  IHÉS, Bures-sur-Yvette, France

• Masterclass: Non-Archimedean Geometry Techniques in Mirror Symmetry, June 22-26, KU/UCPH, Copenhagen, Denmark

     cancelled due to Covid-19

• Bring your own coffee: K-theory and related topics, May 25-26, UofT, Toronto, Canada

• Masterclass: Scissors congruence, then and now, KU/UCPH, Copenhagen, Denmark

     cancelled due to Covid-19

2020

• Felix Klein Lectures 2020: Quiver moduli and applications, October 20-29, HCM, Bonn, Germany

• Summer school on derived and triangulated categories, September 14-18, BUW, Wuppertal, Germany 

     postponed due to Covid-19

• Summer School: An introduction to the Langlands correspondence, June 15-19, Centro di Ricerca Matematica Ennio De Giorgi, Pisa, Italy 

     cancelled due to Covid-19

• 2020 Summer Tropical Algebraic Geometry Online SeminAUR (STAGOSAUR): Top Weight Cohomology of Moduli Spaces of Curves, June 12-August 07

• Fifth international workshop on zeta functions in algebra and geometry, May 25-29, Laboratoire J.A. Dieudonné, Nice, France 

     postponed due to Covid-19

• Western algebraic geometry online (WAGON): A virtual edition of WAGS, April 18-19

• Group theory days in Düsseldorf, January 20-21, HHU, Düsseldorf, Germany

2019

• 32nd NRW Topology Meeting, November 08-09, HHU, Düsseldorf, Germany

• Workshop: Del Pezzo surfaces and Fano varieties, July 22-26, HHU, Düsseldorf, Germany