Homepage of Benjamin Brück

I am a PhD student at Universität Bielefeld and my advisor is Kai-Uwe Bux. I did my Bachelor and Master studies at WWU Münster and wrote my Master thesis during a one-semester stay at Université Claude Bernard Lyon 1 under the supervision of Katrin Tent, Rizos Sklinos and Tuna Altınel.

Contact information

If you want to know how to reach me, click here.
Here you can find the homepage of our working group.

Research interests

Geometric Group Theory; Model Theory; RAAGs and their automorphism groups, in particular free groups and their model theory; Higher generating subgroups; Homotopy properties of simplicial complexes; Buildings

Publications and theses


From 2013 to 2015, I gave tutorials in Münster for the lectures Analysis II, Introduction to Algebra, Quadratic Forms, Higher Algebra I and Stable Groups. In 2016 and 2017, I held tutorials for the lectures Analysis II, Algebra I and Riemannian Geometry in Bielefeld.
This semester, I am leading the discussion session for the course Groups acting on trees.


I am one of the organisers of the block seminar Arithmetic groups and Rigidity which will take place in Bielefeld from 21st to 23rd of March 2018.
I am a member of the DFG priority programm "Geometry at infinity": SPP 2026