Preprints

Hereditarily just-infinite torsion groups with positive first l^2-Betti number, (joined with Steffen Kionke), arXiv:2401.04542
From telescopes to frames and simple groups, (joined with Steffen Kionke), arXiv:2304.09307

Published/Accepted

Realizing residually finite groups as subgroups of branch groups, (joined with Steffen Kionke), to appear in Bulletin of the LMS, arXiv:2212.07165
Amenability and profinite completions of finitely generated groups, (joined with Steffen Kionke), to appear in Groups, Geometry, and Dynamics, arXiv:2106.08742
Bounded subgroups of relatively finitely presented groups, to appear in Algebraic & Geometric Topology (2023), arXiv:2203.12638
Random subcomplexes of finite buildings, and fibering of commutator subgroups of right-angled Coxeter groups (joined with Matthew C. B. Zaremsky), Journal of Topology (2023), arXiv:2107.10958
The Sigma-invariants of S-arithmetic subgroups of Borel groups, Transactions of the AMS (2023), arXiv:2203.10132
On representations of direct products and the bounded generation property of branch groups, (joined with Steffen Kionke), Archiv der Mathematik (2023), awarded as Editors' Choice, arXiv:2301.01330
The relative exponential growth rate of subgroups of acylindrically hyperbolic groups, Journal of Group Theory (2022), arXiv:1611.06393

Gruppentheorie (543 pages), joined with Steffen Kionke. An introductory text to geometric group theory for students of the FernUniversität Hagen.

The Sigma-invariants of S-arithmetic subgroups of Borel groups, PhD thesis, Universität Bielefeld (2020).
Wachstum von Untergruppen hyperbolischer Gruppen, Master thesis, HHU Düsseldorf (2016).
Realisierung von Mathieu-Gruppen als Galois-Gruppen, Bachelor thesis, HHU Düsseldorf (2014).