Vogan diagram

In mathematics, a Vogan diagram, named after David Vogan, is a variation of the Dynkin diagram of a real semisimple Lie algebra that indicates the maximal compact subgroup. Although they resemble Satake diagrams they are a different way of classifying simple Lie algebras.

References

• Knapp, Anthony W. (2002), Lie groups beyond an introduction, Progress in Mathematics, 140 (2nd ed.), Boston, MA: Birkhäuser Boston, ISBN 978-0-8176-4259-4, MR 1920389