Electronic Papers

Clicking on the title of a paper will take you to a page from which you can download the paper.
The page for each paper also contains an abstract and bibliographic information

Higher hairy graph homology (withh Jim Conant and Martin Kassabov)
Outer space for right-angled Artin groups I (with Ruth Charney, and Nathaniel Stambaugh
Actions of arithmetic groups on homology spheres and acyclic homology manifolds (with Martin R. Bridson, Fritz Grunewald and Bruno Zimmermann
Hairy graphs and the unstable homology of M(g,s), Out(Fn) and Aut(Fn) (with Jim Conant and Martin Kassabov
The Dehn functions of Out(Fn) and Aut(Fn) (with Martin Bridson)
Abelian covers of graphs and maps between outer automorphism groups of free groups (with Martin Bridson)
Subgroups and quotients of automorphism groups of RAAGS (with Ruth Charney)
What Is Outer Space? (AMS Notices)
Automorphisms of two-dimensional RAAGS and partially symmetric automorphisms of free groups (with Kai-Uwe Bux and Ruth Charney)
Actions of automorphism groups of free groups on homology spheres and acyclic manifolds (with Martin Bridson)
Geodesics in the space of trees (Informal notes )
Finiteness properties of automorphism groups of right-angled Artin groups (with Ruth Charney)
Automorphisms of two-dimensional right-angled Artin groups (with Ruth Charney and John Crisp)
Automorphism groups of right-angled Artin groups (with Ruth Charney)
A presentation for Aut(F_n) (with Heather Armstrong and Bradley Forrest)
Morita classes in the homology of Aut(F_n) vanish after one stabilization (with Jim Conant)
The cohomology of automorphism groups of free groups (ICM paper)
Automorphism groups of free groups, surface groups and free abelian groups (with Martin Bridson)
Morita classes in the homology of automorphism groups of free groups (with Jim Conant)
Homology stability for outer automorphism groups of free groups (with Allen Hatcher)
Cut vertices in commutative graphs (with Jim Conant and Ferenc Gerlits)
On a theorem of Kontsevich (with Jim Conant)
Infinitesimal operations on complexes of graphs (with Jim Conant)
Homomorphisms from automorphism groups of free groups (with Martin Bridson)
Automorphisms of free groups and Outer space (Survey paper)
Geometry of the space of phylogenetic trees (with Louis J. Billera and Susan P. Holmes)
Automorphisms of automorphism groups of free groups (with Martin Bridson)
The symmetries of Outer space (with Martin Bridson)
Rational homology of Aut(F_n) (with Allen Hatcher)
Cerf theory for graphs and automorphisms of free groups (with Allen Hatcher)
Isoperimetric inequalities for automorphism groups of free groups (with Allen Hatcher)
An equivariant Whitehead algorithm and conjugacy for roots of Dehn twists (with S. Krstic and M. Lustig)
A Whitehead algorithm for surface groups (with G. Levitt)
The complex of free factors of a free group (with Allen Hatcher)
Local structure of some Out(F_n) complexes
Link to scanned PDF files of all papers published 1977-2003