1. Decomposition rank and \(\mathcal{Z}\) -stability

   • Wilhelm Winter

   OriginalPaper 12 September 2009 Pages: 229 - 301

2. Property (T) for noncommutative universal lattices

   • Mikhail Ershov
   • Andrei Jaikin-Zapirain

   OriginalPaper 25 September 2009 Pages: 303 - 347

3. The Mayer-Vietoris principle for Grothendieck-Witt groups of schemes

   • Marco Schlichting

   OriginalPaper Open access 06 November 2009 Pages: 349 - 433

4. Collapsing irreducible 3-manifolds with nontrivial fundamental group

   • L. Bessières
   • G. Besson
   • J. Porti

   OriginalPaper 11 November 2009 Pages: 435 - 460