Team

Prof. Dr. Moritz Weber

Room 310, building E 2 4
Phone: +49-681-302-2556
Mail: weber [at] math.uni-sb.de
Website Moritz Weber

Secretary: Franziska Meiser

Room 4.36, phone +49-681-302-2446
E-mail: franziska.meiser [at] math.uni-sb.de
Office hours: Monday and Wednesday 9:00 - 15:00

Julien Schanz

Room 215, building E 2 4
Phone: +49-681-302-57512
Mail: schanz [at] math.uni-sb.de
Website Julien Schanz

Luca Junk

Room 215, building E 2 4
Phone: +49-681-302-57512
Mail: junk [at] math.uni-sb.de
Website Luca Junk

Nina Kiefer

Room 421, building E 2 4
Mail: kiefer(at)math.uni-sb.de
Webseite Nina Kiefer

Björn Schäfer

Room 421, building E 2 4
Mail: bschaefer(at)math.uni-sb.de
Website Björn Schäfer

PhD students and supervision of graduate theses

Jonas Metzinger - Master's student, since 2024
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
Matthias Bohrofen - Staatsexamen, since 2023
Luca Junk - PhD student, since 2022
Matias Klimpel - Master's student, since 2022
Johannes Becker (TU Darmstadt) - Master's student, since 2020 in joint supervision with Burkhard Kümmerer

Jenny Klee - Bachelor' thesis: Unschärfe in der Fourier-Analysis, in joint supervision with Nina Kiefer
Julien Schanz - PhD thesis, 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
Shireen - Master's thesis, 2025
Jonas Metzinger - Bachelor's thesis: The K-theory of free wreath products of compact quantum groups, 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

Postal address

Saarland University
Department of Mathematics
Postfach 15 11 50
66041 Saarbrücken
Germany

Physical address

Saarland University
Campus building E 2 4
66123 Saarbrücken
Germany