1. Simplicial nonpositive curvature

   • Tadeusz Januszkiewicz
   • Jacek Świątkowski

   OriginalPaper 10 October 2006 Pages: 1 - 85

2. Periodic orbits and chain-transitive sets of C¹-diffeomorphisms

   • Sylvain Crovisier

   OriginalPaper 16 November 2006 Pages: 87 - 141

3. Exponential mixing for the Teichmüller flow

   • Artur Avila
   • Sébastien Gouëzel
   • Jean-Christophe Yoccoz

   OriginalPaper 16 November 2006 Pages: 143 - 211

4. Automorphism groups of polycyclic-by-finite groups and arithmetic groups

   • Oliver Baues
   • Fritz Grunewald

   OriginalPaper 17 November 2006 Pages: 213 - 268