1. Characterizations of the quantum Witt algebra

   • Ke-Qin Liu

   OriginalPaper Pages: 257 - 265

2. The q-boson operator algebra and q-Hermite polynomials

   • J. Van Der Jeugt

   OriginalPaper Pages: 267 - 274

3. Yang—Mills instantons over Riemann surfaces

   • M. Lledó
   • I. Martín
   • A. Mendoza

   OriginalPaper Pages: 275 - 281

4. SU(2)-multi-instantons over S ²×S ²

   • R. Bautista
   • J. Muciño
   • M. Rosenbaum

   OriginalPaper Pages: 283 - 293

5. Mapping properties of wave and scattering operators for two-body Schrödinger operators

   • Arne Jensen
   • Shu Nakamura

   OriginalPaper Pages: 295 - 305

6. Density of states of random Schrödinger operators with a uniform magnetic field

   • N. Macris
   • J. V. Pule

   OriginalPaper Pages: 307 - 321

7. One more class of scalar laplacian determinants connected with the quantum geometry of p-branes

   • A. A. Bytsenko
   • Yu. P. Goncharov

   OriginalPaper Pages: 323 - 329

8. Exact symplectic structures and a classical model for the Dirac electron

   • John Rawnsley

   OriginalPaper Pages: 331 - 336