Dmitry Fuchs
Representations of Infinite-Dimensional Lie Algebras

About the Book

The theory of infinite-dimensional Lie algebras differs in important ways from that of the finite-dimensional case.  This book concentrates on some important examples in the infinite-dimensional setting, and in particular on Kac-Moody and Virasaro Lie algebras. 

About the Author

Dmitry Fuchs is a Distinguished Professor of Mathematics, emeritus,  at the University of California at Davis.


The book “Representations of infinite-dimensional Lie algebras” by Dmitry Borisovich Fuchs is a detailed account of a part of contemporary mathematics that has perhaps the largest number of applications in theoretical physics. Representations of the Kac-Moody and Virasoro algebras, the main characters of the book, play an important role in conformal field theory and in string theory describing (infinitesimal) symmetries of these theories. They are also crucial for such areas of mathematics as combinatorics, algebraic geometry, and integrable systems.

In a sense, representations of infinite-dimensional Lie algebras is the topic that links mathematics and theoretical physics, being a universal language that makes possible communication of specialists from various fields.

Written by one of the creators of the theory, the book is accessible to a wide audience. It can be recommended to graduate students and young researchers who want to familiarize themselves with the subject.

The book contains a concise introduction to representation theory, from classical simple finite-dimensional Lie algebras to sophisticated infinite-dimensional Lie algebras.

Useful “informal explanations” and motivations, multiple examples, and exercises are precious features of this book devoted to a beautiful and still very active area of research.

Valentin Ovsienko – French National Centre for Scientific Research | CNRS · laboratoire de mathematiques de Reims

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