The role of affine Weyl groups in the representation theory of algebraic Chevalley groups and their Lie algebras. (English) Zbl 0316.20030

Lie Groups Represent., Proc. Summer Sch. Bolyai Janos math. Soc., Budapest 1971, 653-705 (1975).


20G05 Representation theory for linear algebraic groups
20G40 Linear algebraic groups over finite fields
20G15 Linear algebraic groups over arbitrary fields