English

The isometry group of Outer Space

Group Theory 2012-09-17 v1 Geometric Topology

Abstract

We prove analogues of Royden's Theorem for the Lipschitz metrics of Outer Space, namely that Isom(CV_n) is Out(F_n).

Cite

@article{arxiv.0912.0299,
  title  = {The isometry group of Outer Space},
  author = {Stefano Francaviglia and Armando Martino},
  journal= {arXiv preprint arXiv:0912.0299},
  year   = {2012}
}
R2 v1 2026-06-21T14:18:28.073Z