1. On affine yangians

   • S. I. Boyarchenko
   • S. Z. Levendorskii

   OriginalPaper Pages: 269 - 274

2. Complex quantum enveloping algebras as twisted tensor products

   • Chryssomalis Chryssomalakos
   • Ralf A. Engeldinger
   • Bruno Zumino

   OriginalPaper Pages: 275 - 281

3. Extended non-abelian gauge symmetries in the classical WZNW model

   • Raiko P. Zaikov

   OriginalPaper Pages: 283 - 297

4. Test spaces, dacey spaces, and completeness of inner product spaces

   • Anatolij Dvurečenskij
   • Sylvia Pulmannová

   OriginalPaper Pages: 299 - 306

5. A poisson—lie structure on the diffeomorphism group of a circle

   • Janusz Grabowski

   OriginalPaper Pages: 307 - 313

6. CQG algebras: A direct algebraic approach to compact quantum groups

   • Mathijs S. Dijkhuizen
   • Tom H. Koornwinder

   OriginalPaper Pages: 315 - 330

7. Mixed quantum mechanical periodic and potential wall problem

   • Paolo Vanini

   OriginalPaper Pages: 331 - 346

8. Functional integral via functional equation

   • M. D. Missarov

   OriginalPaper Pages: 347 - 356

9. Noncommutative differential geometry with higher-order derivatives

   • Andrzej Sitarz

   OriginalPaper Pages: 357 - 363

10. Erratum to ‘The spectrum of the dirac operator on complex projective spaceP _{2q - 1}(ℂ)’

    • M. Cahen
    • A. Franc
    • S. Gutt

    OriginalPaper Pages: 365 - 368