The material collected in this book originated from lectures given by authors over many years in Warsaw, Trieste, Schladming, Istanbul, Goteborg and Boulder. Th

Lie!algebras - Topological!groups - Lie!groups - Representations - Special!functions - Induced!representations.

Representation theory is an important part of modern mathematics, not only as a subject in its own right but also as a tool for many applications. It provides a

This book is intended to present group representation theory at a level accessible to mature undergraduate students and beginning graduate students. This is ach

Graphs drawn on two-dimensional surfaces have always attracted researchers by their beauty and by the variety of difficult questions to which they give rise. Th