Geometriae Dedicata

, Volume 94, Issue 1, pp 1-31

First online:

Automorphisms of Free Groups and Outer Space

  • Karen VogtmannAffiliated withDepartment of Mathematics, Cornell University

Rent the article at a discount

Rent now

* Final gross prices may vary according to local VAT.

Get Access


This is a survey of recent results in the theory of automorphism groups of finitely-generated free groups, concentrating on results obtained by studying actions of these groups on Outer space and its variations.

automorphisms of free groups outer space