1. On some spaces which can be partitioned by the rational line

   • Wang Shutang

   OriginalPaper Pages: 1 - 8

2. Vertauschbarkeit von Limites und Colimites

   • Helmut Weberpals

   OriginalPaper Pages: 9 - 26

3. On the singular set and the uniqueness of weak solutions of the Navier-Stokes equations

   • Hermann Sohr
   • Wolf von Wahl

   OriginalPaper Pages: 27 - 59

4. The rhombidodecahedral tessellation of 3-space and a particular 15-vertex triangulation of the 3-dimensional torus

   • Wolfgang Kühnel
   • Gunter Lassmann

   OriginalPaper Pages: 61 - 77

5. Topological continuous convergence

   • Friedhelm Schwarz

   OriginalPaper Pages: 79 - 89

6. The undecidability of pseudo real closed fields

   • Dan Haran

   OriginalPaper Pages: 91 - 108