Integrable Systems and Quantum Groups: Lectures given at the 1st Session of the Centro Internazionale Matematico Estivo (C.I.M.E.) held in Montecatini Terme, Italy, June 14-22, 1993
Spectral covers, algebraically completely integrable, hamiltonian systems, and moduli of bundles.- Geometry of 2D topological field theories.- Integrals of motion and quantum groups.- Seventy years of spectral 1923-1993.