Six leading experts lecture on a wide spectrum of recent results on the subject of the title. They present a survey of various interactions between representati

This volume provides an overview of modern advances in representation theory from a geometric standpoint. The techniques developed are quite general and can be

Six leading experts lecture on a wide spectrum of recent results on the subject of the title. They present a survey of various interactions between representati

Very roughly speaking, representation theory studies symmetry in linear spaces. It is a beautiful mathematical subject which has many applications, ranging from

Two surveys introducing readers to the subjects of harmonic analysis on semi-simple spaces and group theoretical methods, and preparing them for the study of mo