1. More about signatures and approximation

   • F. Acquistapace
   • F. Broglia

   OriginalPaper Pages: 107 - 116

2. Vertex-minimal simplicial immersions of the Klein bottle in three space

   • Davide P. Cervone

   OriginalPaper Pages: 117 - 141

3. Locally homogeneous Riemannian manifolds and Cartan triples

   • Victor Patrangenaru

   OriginalPaper Pages: 143 - 164

4. Polygonal complexes and combinatorial group theory

   • W. Ballmann
   • M. Brin

   OriginalPaper Pages: 165 - 191

5. Level surfaces of non-degenerate functions inR ⁿ⁺¹

   • Jian Hua Hao
   • Hirohiko Shima

   OriginalPaper Pages: 193 - 204

6. A characterization of the generalized twisted field planes of characteristic ≥5

   • Raúl Figueroa

   OriginalPaper Pages: 205 - 216