Selection of talks

14. May 2024, Justinfinite groups with positive first L^2Betti number. Geometry and Analysis on Groups Research Seminar, University of Vienna.

6. September 2023, From telescopes to frames and simple groups. Group Actions on Cantor Sets, Banff (Mexico).

11. April 2023, From telescopes to frames and simple groups. Fudan Topology Seminar, Fudan University.

10. March 2023, Btelescopes and profinite completions. AsymptoticAlgebra 2023, FernUniversität in Hagen.

13. October 2022, Extending branch groups to simple groups and beyond. Norddeutsches GruppentheorieKolloquium, HHU Düsseldorf.

21. September 2022, Exotic extensions of groups acting on rooted trees. Polygons Buildings and Related Geometries, Ghent University.

15. December 2021, Amenability and profinite completions of finitely generated groups, Mathematical Seminar, JLU Giessen.

6. October 2021, Random subcomplexes of finite buildings and application to rightangled Coxeter groups, Buildings 2021, OVGU Magdeburg.

18. February 2020, Finiteness properties of subgroups of Borel groups, BRIJGES, University of Bristol.

7. November 2019, The Sigmaconjecture for solvable Sarithmetic groups and Morse theory on Euclidean buildings, Algebra/Topology Seminar, University at Albany.

31. October 2019, The Sigmaconjecture for solvable Sarithmetic groups via Morse theory on Euclidean buildings, Geometry and Topology Seminar, Binghampton University.

23. October 2019, The Sigmaconjecture for solvable Sarithmetic groups via Morse theory on Euclidean buildings, Max Dehn Seminar, Salt Lake City.

2. October 2019, The Sigmaconjecture for solvable Sarithmetic groups via Morse theory on Euclidean buildings, Buildings 2019, OVGU Magdeburg.

13. July 2018, Sphericity of complexes associated to spherical buildings, BielefeldMünster Seminar, University of Münster.

23. March 2018, Monod's Superrigidity Theorem. BlockSeminar Arithmetic groups and Rigidity, Bielefeld University.

22. February 2017, Bounded subgroups of relatively finitely presented groups, BielefeldMünster Seminar, Bielefeld University.

2. November 2016, Relative exponential growth in hyperbolic groups, Oberseminar Gruppen und Geometrie, Bielefeld University.