books.google.co.uk - Three of the leading figures in the field have composed this excellent introduction to the theory of Lie groups and Lie algebras. Together these lectures provide an elementary account of the theory that is unsurpassed. In the first part, Roger Carter concentrates on Lie algebras and root systems. In...http://books.google.co.uk/books/about/Lectures_on_Lie_Groups_and_Lie_Algebras.html?id=3gRjcfsGu_EC&utm_source=gb-gplus-shareLectures on Lie Groups and Lie Algebras