Commensurations of Out(F_n)

2006/07/21 by Farb, Benson, Handel, Michael
#20F28 #FOS: Mathematics #Group Theory (math.GR)

paper · doi:10.48550/arxiv.math/0607556

Abstract

Let \Out(F_n) denote the outer automorphism group of the free group F_n with n>3. We prove that for any finite index subgroup Γ

Related

• Commensurations of subgroups of Out(F_N)
• Commensurations of the outer automorphism group of a universal Coxeter group
• Roots of outer automorphisms of free groups and centralizers of abelian subgroups of Out(F_N)
• Distortion for Abelian Subgroups of Out(F_n)
• Finite subgroups of automorphisms of free products