1. On an evolution operator connecting Lagrangian and Hamiltonian formalisms

   • X. Gràcia
   • J. M. Pons

   OriginalPaper Pages: 175 - 180

2. Ostrogradski's theorem for higher-order singular Lagrangians

   • J. M. Pons

   OriginalPaper Pages: 181 - 189

3. Dirac combs

   • A. Córdoba

   OriginalPaper Pages: 191 - 196

4. A classical solution of scalar-spinor interaction models with higher derivatives on even-dimensional spaces

   • Kazuyuki Fujii

   OriginalPaper Pages: 197 - 200

5. On Hamilton systems with even and odd poisson brackets

   • V. A. Soroka

   OriginalPaper Pages: 201 - 208

6. Block averaging renormalization group for lattice and continuum euclidean fermions: Expected and unexpected results

   • Tadeusz Balaban
   • Michael O'Carroll
   • Ricardo Schor

   OriginalPaper Pages: 209 - 214

7. Local quantum field theories involving the U(1) current algebra on the circle

   • Roman R. Paunov
   • Ivan Todorov

   OriginalPaper Pages: 215 - 230

8. Soliton geometry and the vacuum gravitational field equations

   • Metin Gürses

   OriginalPaper Pages: 231 - 238

9. Vertex operator representations of the quantum affine algebra U _q(B _r ⁽¹⁾ )

   • Denis Bernard

   OriginalPaper Pages: 239 - 245

10. Bloch electrons in a magnetic field: Rigorous justification of the Peierls-Onsager effective Hamiltonian

    • G. Nenciu

    OriginalPaper Pages: 247 - 252

11. A signed measure completeness criterion

    • Anatolij Dvurečenskij
    • Sylvia Pulmannová

    OriginalPaper Pages: 253 - 261