李群的参考资料
W.Y.Hsiang, Lectures on Lie groups
Roger Carter, Graeme Segal, Ian Macdonald, Lectures on Lie groups and Lie algebras.
http://en.wikipedia.org/wiki/E8_(mathematics)
Answer
W.Y.Hsiang, Lectures on Lie groups
Roger Carter, Graeme Segal, Ian Macdonald, Lectures on Lie groups and Lie algebras.
http://en.wikipedia.org/wiki/E8_(mathematics)