1. Fusion structures from quantum groups: II. Why truncation is necessary

   • Florian Nill

   OriginalPaper Pages: 83 - 90

2. Semi-infinite cohomology ofW-algebras

   • Peter Bouwknegt
   • Jim McCarthy
   • Krzysztof Pilch

   OriginalPaper Pages: 91 - 102

3. Spinor electrodynamics in terms of gauge-invariant quantities

   • J. Kijowski
   • G. Rudolph

   OriginalPaper Pages: 103 - 109

4. Integrable hierarchy underlying topological Landau-Ginzburg models of D-type

   • Kanehisa Takasaki

   OriginalPaper Pages: 111 - 121

5. Theq-harmonic oscillator and the Al-Salam and Carlitz polynomials

   • R. Askey
   • S. K. Suslov

   OriginalPaper Pages: 123 - 132

6. The critical temperature and gap solution in the Bardeen-Cooper-Schrieffer theory of superconductivity

   • Qiang Du
   • Yisong Yang

   OriginalPaper Pages: 133 - 150

7. On the relation between weak and strong invariance of differential equations

   • José F. Cariñena
   • M. A. Del Olmo
   • P. Winternitz

   OriginalPaper Pages: 151 - 163