On solutions of the KZ and qKZ equations at level zero

Abstract

We discuss relations between different formulae for solutions of the Knizhnik-Zamolodchikov differential and the quantum Knizhnik-Zamolodchikov difference equations at level 0 and associated with rational solutions of the Yang-Baxter equation.

24pages, LaTeX 2.09, amssym.def and amssym.tex required