books.google.co.jp - This is the third, substantially revised edition of this important monograph. The book is concerned with Kac-Moody algebras, a particular class of infinite-dimensional Lie algebras, and their representations. It is based on courses given over a number of years at MIT and in Paris, and is sufficiently...http://books.google.co.jp/books/about/Infinite_Dimensional_Lie_Algebras.html?hl=ja&id=kuEjSb9teJwC&utm_source=gb-gplus-shareInfinite-Dimensional Lie Algebras
