Disclaimer

Videos of (some of) my lectures/seminars can be found here: https://www.youtube.com/c/VisualMath.
Notes for my lecture “Quantum topology without topology” can be found here: Click.

Supervision

For my previous Ph.D. students see here: Click. If you want you can write your thesis with me (bachelor, master or Ph.D.). Just contact me via email or find me in my office.

  • Potential master or Ph.D. projects
  • Please contact me if you find them attractive.

    My teaching and EDI philosophy

  • Some thoughts on teaching and EDI (equality, diversity, inclusion)
    • Teaching philosophy: Click
    • Teaching statement (same as the link above but as pdf): available here.
    • EDI philosophy: Click
    • EDI statement (same as the link above but as pdf): available here.
    • My lectures

      Teaching list: available here.
      I have been/am/will be a lecturer/research assistant for the following courses.

    • In 2024
      • Teaching leave due to fellowship, Spring Semester 2024.
      • Teaching leave due to fellowship, Fall Semester 2024.
    • In 2023
      • Geometry and topology, Spring Semester 2023. Click
      • Algebraic graph theory, Fall Semester 2023. Click
    • In 2022
      • Geometry and topology, Spring Semester 2022. Click
      • Representation theory, Fall Semester 2022. Click
      • Category theory, Fall Semester 2022. Click
    • In 2021
      • Algebraic topology, Spring Semester 2021. Click
      • Quantum topology without topology, Spring Semester 2021. Click
    • In 2020
      • Online seminar diagrammatic algebra: a prototypical example, Fall Semester 2020. Click
      • Quantum invariants of links, Spring Semester 2020. Click
      • Seminar: Representation theory of algebras, Spring Semester 2020. Click
    • In 2019
      • Foundations of Mathematics (in German), Fall Semester 2019. Click
      • Seminar: Representation theory of finite groups, Fall Semester 2019. Click
      • Seminar: Representation theory of \(\mathfrak{sl}_2\), Spring Semester 2019. Click
    • In 2018
      • Foundations of Mathematics (in German), Fall Semester 2018. Click
      • Seminar on 2D TQFTs, Fall Semester 2018. Click
      • Seminar on tensor categories, Spring Semester 2018. Click
    • In 2017
      • Seminar: Representation theory of finite groups (in German), SoSe 2017. Click
      • Oberseminar Darstellungstheorie, SoSe 2017. Click
      • Seminar: Representation theory of (tensor) categories, SoSe 2017. Click
      • Oberseminar Darstellungstheorie, WiSe 2016/2017. Click
      • Seminar: Affine Hecke algebras and their appearance in mathematics, WiSe 2016/2017. Click
    • In 2016
      • Oberseminar Darstellungstheorie, SoSe 2016. Click
      • Seminar: Categorification at roots of unity for pedestrians, SoSe 2016. Click
      • Oberseminar Darstellungstheorie, WiSe 2015/2016. Click
      • Seminar: Recent topics in representation theory, WiSe 2015/2016. Click
    • Before 2016
      • Assistent Calculus and Linear Algebra I - MATLAB, WiQu 2014/2015.
      • Lecturer: Introduction to categorification, SpQu 2014.
      • Assistent Calculus and Linear Algebra I - MATLAB, WiQu 2013/2014.
      • Assistent Calculus and Linear Algebra I - MATLAB, WiQu 2013.
      • Differential- und Integralrechung I, Semester break in the summer 2013.
      • Differential- und Integralrechung I, Semester break in the summer 2012.
      • Differential- und Integralrechung II, SoSe 2012.
      • Seminar on Category Theory, WiSe 2011/2012 (slides of the introduction talk: german and english).
      • Differential- und Integralrechung II, SoSe 2011.
      • Differential- und Integralrechung I, WiSe 2010/2011.
      • Several courses before WiSe 2010/2011 as an undergraduate assistant.