
Preprints and publications:
 Alexander and Thurston norms, and the BieriNeumannStrebel invariants for freebycyclic groups (with Florian Funke), to appear in Geom. Topol. (G&T)
arXiv poster talk in Bonn and Cambridge
 Outer actions of $\mathrm{Out}(F_n)$ on small RAAGs, to appear in Algebr. Geom. Topol.
arXiv
 Nielsen realisation by gluing: Limit groups and free products (with Sebastian Hensel), to appear in the Michigan Math. J.
arXiv

Appendix to "Amenability of groups is characterized by Myhill's Theorem" by Laurent Bartholdi, to appear in J. Eur. Math. Soc. (JEMS)
arXiv
 The 6strand braid group is CAT(0) (with Thomas Haettel and Petra Schwer), Geom. Dedicata, 2016
arXiv journal photo of the authors
 Groups with infinitely many ends are not fraction groups, Groups Geom. Dyn. (GGD), 2015
arXiv journal
 Low
dimensional free and linear representations of $\mathrm{Out}(F_3)$, J. Group Theory, 2015
arXiv journal

Outer
automorphism groups of free groups: linear and free representations,
J. Lond. Math. Soc., 2013
arXiv journal


My habilitation thesis "Free groups, RAAGs, and their automorphisms"
defended at the Bielefeld University.

