Team

PhD students and supervision of graduate theses

• Jonas Metzinger - PhD student, since 2026
• Maximilian Grünholz - Lehramtsstudent
• Elias Löffler - Bachelor's student
• Björn Schäfer - PhD student, since 2024
• Lars Lauer - Master's student, since 2024 in joint supervision with Malte Gerhold
• Nina Kiefer - PhD student, since 2023
• Luca Junk - PhD student, since 2022

• Alexander Karpenko - Bachelor's thesis: Hypertree C^*-algebras, 2026
• Hendrik Schröder -  Bachelor's thesis: Exploring new hypergraph C^*-algebras, 2026
• Jonas Metzinger - Master's thesis: On the classification of compact quantum groups of SU(N)-type, 2026
• Matias Klimpel - Master's thesis: An algorithmic approach of transferring zero relations in quantum permutation groups, 2026
• Jenny Klee - Bachelor's thesis: Unschärfe in der Fourier-Analysis, 2025
  in joint supervision with Nina Kiefer
• Julien Schanz - PhD thesis: Quantum Symmetries of Combinatorial Structures: A Computer Assisted Approach, 2025
• Nicolas Faroß - PhD thesis: Compact quantum groups based on combinatorial structures Nicolas Faroß, 2025
• Fabian Selzer - Master's thesis: The C*-algebra generated by a family of projections associated with the cube, 2025 
  in joint supervision with Björn Schäfer
• Jonas Metzinger - Bachelor's thesis: The K-theory of free wreath products of compact quantum groups, 2024
• Shireen - Master's thesis: The Universal C*-Algebra generated by two projections as a subalgebra of matrix valued Continuous Functions, 2024
• Sebastian Volz - Bachelor's thesis: Design and implementation of efficient algorithms for operations on partitions of sets, 2023
  in joint supervision with Nicolas Faroß
• Lars Lauer - Bachelor’s thesis: Quantum nonlocal games and quantum commuting quantum no-signalling correlations, 2023
• Björn Schäfer (TU Darmstadt) - Master's thesis: Nuclearity of hypergraph C*-algebras, 2023
  in joint supervision with Steffen Roch
• Johanna Fromm - Staatsexamen: Einführung in die geometrische Gruppentheorie mit Anwendung auf die Klassifikation chemischer Moleküle, 2022
• Alissa Grün - Staatsexamen: Der Einfluss von Mathematik auf die Entwicklung und Verbreitung von Musik und deren Analyse, 2022
• Alexander Mang - PhD thesis: Classification and homological invariants of compact quantum groups of combinatorial type, 2022
• Michelle Göbel (TU Darmstadt) - Master's thesis: Quantum graphs and bigalois extensions, 2022
• Mirjam Trieb (TU Darmstadt) - Master's thesis: The structure of hypergraph C*-algebras, 2022
• Dean Zenner - Bachelor's thesis: Hypergraph C*-algebras, 2022
• Sophie Margardt - Bachelor's thesis: Reguläre Flächen und riemannsche Mannigfaltigkeiten, 2022
• Nicolas Faroß - Master's thesis: Spatial pair partitions and applications to finite quantum spaces, 2022
• Alexander Wendel - Master's thesis: Quantum channels and entangled states associated to easy quantum groups, 2022
• Arne Berrens - Bachelor's thesis: Von Neumann algebras and zero sets of Bergman spaces, 2021
  in joint supervision with Michael Hartz
• Marc Hermes - Master's thesis: Modeling peano arithmetic in constructive type theory, 2021
  in joint supervision with Gert Smolka
• Matias Klimpel - Bachelor's thesis, Representations of graph-C*-algebras, 2021
• Julien Schanz - Master's thesis: Quantum isomorphic graphs constructed from linear binary constraint systems, 2021
• Laura Maaßen - PhD thesis: Representation categories of compact matrix quantum groups, 2021
  in joint supervision with Gerhard Hiß, RWTH Aachen
• Simon Schmidt - PhD thesis: Quantum automorphism groups of finite graphs, 2020
• Daniel Gromada - PhD thesis: Compact matrix quantum groups and their representation theory, 2020
• Michael Kreisel (U Wuppertal) - Master's thesis: Booleschwertige Modelle und Unabhängigkeit, 2020
  in joint supervision with Balint Farkas
• Nicolas Faroß - Bachelor's thesis: Towards a concrete model for the quantum permutation group, 2020
• Alexander Wendel - Bachelor's thesis: Hochschild cohomology of free easy quantum groups, 2020
• Friedrich Günther - Bachelor's thesis: Unitary easy groups, 2020
• Stefan Jung - PhD thesis: Easy quantum groups: Linear independencies, models and partition quantum spaces, 2019
• Vincent Preiß - Master's thesis: Intertwiner spaces of quantum automorphism groups of simple graphs with four vertices, 2019
  in joint supervision with Simon Schmidt, supported by Daniel Gromada
• Andreas Widenka - Master's thesis: Quantum versions of metric spaces and their symmetries, 2019
• Luca Junk - Bachelor's thesis: Quantum automorphism groups of graphs and coherent algebras, 2019
  in joint supervision with Simon Schmidt
  Publication: to appear in Archiv der Mathematik, see arXiv
• Alexander Mang - Masters's thesis: Classification of all non-hyperoctahedral categories of two-colored partitions, 2019
  Publications: See arXiv (Part I) and arXiv (Part II)
• Mirko Stappert - Bachelor's thesis: Noncommutative geometry and the Quantum Hall Effect, 2019
• Julien Schanz - Bachelor's thesis: Computing quantum symmetries of graphs, 2019
  in joint supervision with Simon Schmidt
  Publication: see arXiv
• Martin Michajlow - Bachelor's thesis: Hilbertsudokus, 2018
• Mang Zhao - Bachelor's thesis: Combinatorial models of frieze patterns, 2018
  Publication: Rev. Un. Mat. Argentina, see also on arXiv
• Alexander Mang - Bachelor's thesis: Neutral pair partitions, 2017
  awarded on the student's conference of the annual meeting of the German Mathematical Society
  Publications: to appear in Ramanujan J. (Part I), see also on arXiv: Part I, Part II
• Julien Sazadaly - Master's thesis Memoir M2: Quantum isometries of some spherical algebras,
  Paris Diderot/Paris VII, 2017
• Simon Schmidt - Master's thesis: Quantum automorphisms of graph C*-algebras, 2017
  Publication: Can. Math. Bull., see also on arXiv
• Ricardo Schnur - Master' thesis: The Connes embedding property for free orthogonal quantum groups, 2017
• Andrei Miu - Master's thesis Memoir M2: Weingarten calculus for orthogonal compact quantum groups,
  Paris Diderot/Paris VII, 2015
• Jonas Wahl - Master's thesis: Operator algebraic properties of free wreath products, 2014
  in joint supervision with Roland Speicher
  Publication: Ill. J. Math., see also on arXiv
• Dominik Urig - Bachelor's thesis: Der Satz von Hahn-Banach, 2014
  in joint supervision with Roland Speicher
• Peter Schuhmacher - Bachlor's thesis: Entropie in Quantenkanälen, 2014
  in joint supervision with Roland Speicher
• Stefan Jung - Bachelor's thesis: C*-algebraische Darstellungen der Quantenpermutationsgruppe, 2014
• Pascal Bauer - Bachelor's thesis: Das Banach-Tarski-Paradoxon und Amenabilität von Gruppen, 2013
  in joint supervision with Roland Speicher