PhD students

  • Antje Dabeler, Exotic Group C*-algebras of higher rank Lie groups, 2019 - 2023
  • Jeroen Winkel, Rigidity properties in coarse geometry, 2019 - 2023
  • Timo Siebenand, Exotic group C*-algebras and crossed products, 2017 - 2020 (joint supervision with Siegfried Echterhoff)

Supervision of MSc theses

  • Invariant vectors of isometric representations, MSc Math., 2022.
  • C*-algebras from Furstenberg transformations on the torus, MSc Math., 2022.
  • On the Approximation Property for groups, MSc Math., 2022.
  • High-dimensional coboundary expanders, MSc Math., 2021.
  • Affine isometric actions of semisimple Lie groups on Lp-spaces, MSc Math., 2021.
  • Exotic group C*-algebras of automorphism groups of trees, Msc Math., 2019.
  • Exotic group C*-algebras of Lie groups, MSc Math., 2019.
  • Stabilität der Gleichgewichtspunkte des Räuber-Beute-Modells [Stability of the predator-prey model equilibrium points], M.Ed. Math., 2019.
  • Exotic group C*-algebras of free groups, MSc Math., 2019.
  • Polnische Gruppen vom endlichen Typ [Polish groups of finite type], MSc Math., 2019.
  • Obstructions to coarse embeddability of expanders into Banach spaces, MSc Math., 2015.
  • Eigenschap (T) voor SL(3,R) [Property (T) for SL(3,R)], MSc Math., 2015.

Supervision of BSc theses

  • Die geometrische Form eines Wahlkreises: Diskrete Geometrie [The geometric shape of a voting district: discrete geometry], B.Ed. Math., 2022.
  • Gerechte Aufteilung [Fair division], B.Ed. Math., 2022.
  • Der Satz von Choquet [Choquet's Theorem], BSc Math., 2020.
  • Index und Spektrum von Fredholmoperatoren [Index and spectrum of Fredholm operators], BSc Math., 2019.
  • Endliche Repräsentierbarkeit und das Prinzip der lokalen Reflexivität [Finite representability and the principle of local reflexivity], BSc Math., 2019.
  • Der Satz von Dvoretzky [Dvoretzky's theorem], BSc Math., 2019.
  • Multiplikationsoperatoren [Multiplication operators], BSc Math., 2019.
  • Expander-Graphen [Expander graphs], BSc Math., 2019.
  • Wachstum endlich erzeugter Gruppen [Growth of finitely generated groups], BSc Math., 2017.
  • Counterexamples to the von Neumann conjecture, BSc Math., 2017.
  • Furstenberg's x2x3 - conjecture, BSc Math., 2017.
  • Das Banach-Tarski-Paradoxon [The Banach-Tarski paradox], BSc Math., 2017.
  • Grobe Einbettungen von Graphen in Hilberträume [Coarse embeddings of graphs into Hilbert spaces], BSc Math., 2017.
  • Furstenberg's x2x3 - conjecture, Bachelor project at KU Leuven, supervision of a group of three students, 2016.