1. A geometric construction of the K-loop of a hyperbolic space

   • Helmut Karzel
   • Heinrich Wefelscheid

   OriginalPaper Pages: 227 - 236

2. Vom Höhenschnittpunkt zu einem projektiven Schließungssatz

   • Günter Pickert

   OriginalPaper Pages: 237 - 244

3. Compact groups on compact projective planes

   • Barbara Priwitzer

   OriginalPaper Pages: 245 - 258

4. 4-Dimensional compact projective planes with a 5-dimensional nilradical

   • D. Betten

   OriginalPaper Pages: 259 - 289

5. On semianalytic subsets of rigid analytic varieties

   • Roland Huber

   OriginalPaper Pages: 291 - 311

6. On hyperbolic right-angled polygons

   • A. F. Costa
   • E. Martínez

   OriginalPaper Pages: 313 - 326

7. Trace polynomials and invariant theory

   • A. Iltvakov

   OriginalPaper Pages: 327 - 333