1. The role of the modular pairs in the category of complete orthomodular lattice

   • D. Aerts
   • C. Piron

   OriginalPaper Pages: 1 - 10

2. A characterization of subsystems in physics

   • Dirk Aerts
   • Ingrid Daubechies

   OriginalPaper Pages: 11 - 17

3. A mathematical condition for a sublattice of a propositional system to represent a physical subsystem, with a physical interpretation

   • Dirk Aerts
   • Ingrid Daubechies

   OriginalPaper Pages: 19 - 27

4. The Baker-Campbell-Hausdorff formula for the chiral su(2) supergroup

   • C. Aragone
   • A. Restuccia

   OriginalPaper Pages: 29 - 34

5. An elliptic complex associated to the Yang-Mills constraint equations

   • Judith M. Arms

   OriginalPaper Pages: 35 - 38

6. Some solutions of boundary conditions for relativistic string with massive ends

   • B. M. Barbashov
   • A. L. Koshkarov

   OriginalPaper Pages: 39 - 46

7. Stable states of a relativistic harmonic oscillator imbedded in a random stochastic thermostat

   • Ph. Gueret
   • P. Merat
   • J. P. Vigier

   OriginalPaper Pages: 47 - 56

8. Sur les derivations de certains produits semi-directs

   • Zargouni Hikma

   OriginalPaper Pages: 57 - 59

9. Classical limit of Klein-Gordon theory in the coherent-state representation

   • Gerald Kaiser

   OriginalPaper Pages: 61 - 65

10. Completely integrable theories as theories of spontaneous breakdown

    • B. G. Konopelchenko

    OriginalPaper Pages: 67 - 72

11. Analytic continued fraction theory for a class of confinement potentials

    • Virendra Singh
    • S. N. Biswas
    • K. Datta

    OriginalPaper Pages: 73 - 81