1. Invariant analytic hypersurfaces in complex nilpotent Lie groups

   • Dmitry Ahiezer

   OriginalPaper Pages: 129 - 140

2. An elementary proof of the Cheeger-Gromoll splitting theorem

   • Jost Eschenburg
   • Ernst Heintze

   OriginalPaper Pages: 141 - 151

3. On the uniqueness of solutions of a certain characteristic Cauchy problem

   • Takesi Yamanaka

   OriginalPaper Pages: 153 - 162

4. A theory of pseudo-differential boundary value problems with discontinuous conditions I

   • Stephan Rempel
   • Bert-Wolfgang Schulze

   OriginalPaper Pages: 163 - 251

   

5. Errata to an infinite series of compact non-orientable 3-dimensional space forms of constant negative curvature

   • Emil Molnär

   Erratum Pages: 253 - 254