Second printing. Shelf and handling wear to cover and binding, with general signs of previous use. Wear on the covers. Text is clear of markings and notations. Secure packaging for safe delivery.
This is an introduction to the theory of affine Lie algebras, to the theory of quantum groups, and to the interrelationships between these two fields that are encountered in conformal field theory. The description of affine algebras covers the classification problem, the connection with loop algebras,...