1. Representations of the CCR in the (φ⁴)₃ model: Independence of space cutoff

   • Jean-Pierre Eckmann

   OriginalPaper Pages: 1 - 61

2. Some remarks on the “null plane development” of a relativistic quantum field theory

   • S. Schlieder
   • E. Seiler

   OriginalPaper Pages: 62 - 72

3. The equation curl 73-173-173-1(x)=0 in quantum field theory

   • K. Pohlmeyer

   OriginalPaper Pages: 73 - 86