Laminations, trees, and irreducible automorphisms of free groups
- Cite this article as:
- Bestvina, M., Feighn, M. & Handel, M. GAFA, Geom. funct. anal. (1997) 7: 215. doi:10.1007/PL00001618
We examine the action of Out(F n ) on the set of (irreducible) laminations. Consequences include a special case of the Tits alternative for Out(F n ), the discreteness of certain naturally arising group actions on trees, and word hyperbolicity of certain semidirect products.