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  • Geometry of Euclidean buildings,
  • Cohomology of groups with a growth condition (e.g. bounded cohomology or polynomially bounded cohomology),
  • Non-uniform tree lattices and their commensurator.
  1. Norm grow for the Busemann cocycle, 

    Preprint, 2017. [pdf] [arXiv]
  2. Minimal closed normal subgroups in compactly generated locally compact groups,
    survey paper with Dennis Gulko, to appear in a volume of the Lond. Math. Soc. Lecture Note Series. [pdf]
  3. Cocycle growth for the Steinberg representation, 
    PhD Disseration, EPFL, 
    2016. [pdf] [published version]