%0 Journal Article %T Botany of irreducible automorphisms of free groups %A Thierry Coulbois %A Arnaud Hilion %J Mathematics %D 2012 %I arXiv %X We give a classification of iwip outer automorphisms of the free group, by discussing the properties of their attracting and repelling trees. %U http://arxiv.org/abs/1201.1169v3