1. About the non-relativistic structure of the conformal algebra

   • G. Burdet
   • M. Perrin
   • P. Sorba

   OriginalPaper Pages: 85 - 90

2. Hamiltonian formalism for non-invariant dynamics

   • Richard Arens

   OriginalPaper Pages: 91 - 110

3. Phase operator and condensed systems

   • F. Rocca
   • M. Sirugue

   OriginalPaper Pages: 111 - 121

4. Equilibrium of charged, spinning, magnetic particles

   • J. P. Ward

   OriginalPaper Pages: 123 - 130

5. On a question of André Verbeure

   • J. F. Gille

   OriginalPaper Pages: 131 - 134

6. On the occurrence of naked singularities in general relativity

   • P. Yodzis
   • H. -J. Seifert
   • H. Müller zum Hagen

   OriginalPaper Pages: 135 - 148

7. On conformal invariance of interacting fields

   • W. Rühl

   OriginalPaper Pages: 149 - 166