Hamburg papers on
Graphs and groups
- Group actions on metric spaces: fixed points and free subgroups (Matthias Hamann), preprint 2013; PDF
- On fixing boundary points of transitive hyperbolic graphs (Agelos Georgakopoulos & Matthias Hamann), Arch. Math. (Basel) 99 (2012), 91-99; PDF
- On the tree-likeness of hyperbolic spaces (Matthias Hamann), preprint 2011; PDF
- The classification of finite and locally finite connected-homogeneous digraphs (Matthias Hamann), preprint 2011; PDF
- The classification of
connected-homogeneous digraphs with more than one end (Matthias Hamann & Fabian
Hundertmark), Transactions AMS 365 (2013), 531-553; PDF
- End-transitive graphs (Matthias Hamann), Israel Journal of Mathematics 189 (2012), 437-459; PDF
- Transitivity conditions in
infinite graphs (Matthias Hamann & Julian Pott), to appear in Combinatorica; PDF
- Spanning trees in hyperbolic graphs (Matthias Hamann), preprint
2009; PDF