For any finite collection fi of fully irreducible automorphisms of the free group Fn we construct a connected δ-hyperbolic Out(Fn)-complex in which each fi has positive translation length.
Cite this article
Mladen Bestvina, Mark Feighn, A hyperbolic Out(<var>F</var><sub><var>n</var></sub>)-complex. Groups Geom. Dyn. 4 (2010), no. 1, pp. 31–58