1. Diagonalization of the XXZ Hamiltonian by vertex operators;Davies;RIMS preprint,1992
2. Quantum affine algebras and holonomic difference equations
3. Quantum affine symmetry in vertex models;Idzumi;RIMS preprint,1992
4. Correlation functions of the XXZ model for Δ< − 1;Jimbo;RIMS preprint,1992