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Light and Matter Group

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Welcome

to the website of the Light and Matter group. Our research group was established in 2014 as an International Junior Research Group "Interaction between Light and Matter" of the Elitenetwork of Bavaria. We are based at the Mathematical Institute of the LMU Munich in the city of Munich.

Research

Mathematical quantum field theory: Our activities in Mathematical Physics focus on the mathematically rigorous and non-perturbative construction of models of classical and quantum field theory. Much of our efforts are devoted to models that describe the interaction between elementary particles (matter) through electromagnetic interaction (light) and account for the phenomena of radiation reaction and pair creation. We are also highly interested in other topics in Foundations of Physics and its mathematical frameworks.

Mathematical learning theory: As part of the Stochastics Group, our work in Applied Mathematics focuses on the mathematically rigorous study of models of control, planning, and learning tasks that describe how autonomous artefacts or agents can adapt their functionality to unknown data or environments. We are particularly interested in the study of representation and approximation of hypotheses or policies and their performance in terms of statistical guarantees and complexity estimates.

Laws of Nature Series

The Laws of Nature Series is an initiative that seeks to support and encourage the discussion between our communities in Physics, Mathematics, and Philosophy. It is currently organised by A. Bassi, U Trieste, D.-A. Deckert, LMU, Dr. W. Struyve, KU Leven, and P. Reichert-Schürmer, LMU. If you would like to receive announcements of our open online seminar series on Zoom, sign up by email here.

Group Seminar

The Light and Matter group’s weekly working seminar takes place on Mondays from 16:15 to 17:45 in Room B006 at the Mathematical Institute (Theresienstraße 39). The schedule for the Winter Semester 2025/26 can be found below:
Date Speaker Length Title
10/20/25 Fabian Nolte 60 min The Dressing of Charged Particles in van-Hove-QFT: Part I
10/27/25 Fabian Nolte 90 min The Dressing of Charged Particles in van-Hove-QFT: Part II
11/03/25 Siddhant Das 90 min Absorbing Detectors meet Scattering Theory
11/10/25 Peter Pickl (Laws of Nature) 90 min Effective Equations - bridging the Gap between microscopic and macroscopic Understanding
11/17/25 Paula Reichert-Schürmer 90 min t.b.a.
For further information and regular announcements, please contact Fabian Nolte by email to be added to the mailing list.

Collaborations

Network