1. Countingp-groups and nilpotent groups

   • Marcus du Sautoy

   OriginalPaper Pages: 63 - 112

2. Groups acting on trees: From local to global structure

   • Marc Burger
   • Shahar Mozes

   OriginalPaper Pages: 113 - 150

3. Lattices in product of trees

   • Marc Burger
   • Shahar Mozes

   OriginalPaper Pages: 151 - 194

4. Morphisms, line bundles and moduli spaces in real algebraic geometry

   • Jacek Bochnak
   • Wojciech Kucharz
   • Robert Silhol

   Erratum Pages: 195 - 195