Free group automorphisms with parabolic boundary orbits.

Authors: Arnaud Hilion
Subjects: Group Theory
link: http://arxiv.org/abs/1103.6047
Abstract

For $N\geq 4$, we show that there exist automorphisms of the free group $F_N$
which have a parabolic orbit in $\partial F_N$. In fact, we exhibit a
technology for producing infinitely many such examples.