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Abstract homomorphisms of big subgroups of algebraic groups. (English) Zbl 0567.14025
Topics in the theory of algebraic groups, Notre Dame Math. Lect. 10, 135-181 (1982).
[For the entire collection see Zbl 0499.00008.]
The basic content of this lecture is a survey of results on the problem of describing automorphisms and homomorphisms of subgroups of algebraic groups. Special sections are devoted to the O’Meara method and the results of J. Tits on homomorphisms of Lie groups. The lecture contains a number of results of Voskresenskii, Margulis, Mostow, Platonov, Kneser, Kazhdan et al., which do not have a direct relationship with the main theme of the lecture.

MSC:
14L99 Algebraic groups
20G15 Linear algebraic groups over arbitrary fields
Full Text: Euclid