Fusion structures from quantum groups: II. Why truncation is necessary Florian Nill OriginalPaper Pages: 83 - 90
Semi-infinite cohomology ofW-algebras Peter BouwknegtJim McCarthyKrzysztof Pilch OriginalPaper Pages: 91 - 102
Spinor electrodynamics in terms of gauge-invariant quantities J. KijowskiG. Rudolph OriginalPaper Pages: 103 - 109
Integrable hierarchy underlying topological Landau-Ginzburg models of D-type Kanehisa Takasaki OriginalPaper Pages: 111 - 121
Theq-harmonic oscillator and the Al-Salam and Carlitz polynomials R. AskeyS. K. Suslov OriginalPaper Pages: 123 - 132
The critical temperature and gap solution in the Bardeen-Cooper-Schrieffer theory of superconductivity Qiang DuYisong Yang OriginalPaper Pages: 133 - 150
On the relation between weak and strong invariance of differential equations José F. CariñenaM. A. Del OlmoP. Winternitz OriginalPaper Pages: 151 - 163