1. Polynomial equations for tight surfaces

   • Nicolaas H. Kuiper

   OriginalPaper Pages: 107 - 113

2. Chamber systems with string diagrams

   • Th. Meixner
   • F. Timmesfeld

   OriginalPaper Pages: 115 - 123

3. G-deformations of curves and volumes of tubes in Riemannian manifolds

   • O. Kowalski
   • L. Vanhecke

   OriginalPaper Pages: 125 - 135

4. The classification of the translation planes of order 16, I

   • U. Dempwolff
   • A. Reifart

   OriginalPaper Pages: 137 - 153

5. 2-isohedral triangulations

   • Kenneth Holladay

   OriginalPaper Pages: 155 - 170

6. Caustics by reflexion in the extended plane

   • J. W. Bruce
   • P. J. Giblin
   • C. G. Gibson

   OriginalPaper Pages: 171 - 194

7. Orthogonale Gruppen und die Bedingung der freien Beweglichkeit bei indefiniter Metrik

   • Helmut Völklein

   OriginalPaper Pages: 195 - 213