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Separability and complete reducibility of subgroups of the Weyl group of a simple algebraic group
(University of Canterbury. Mathematics and Statistics, 2012)
Let G be a reductive algebraic group defined over an algebraically closed field of characteristic p. A subgroup H of G is called G-complete reducible whenever H is contained in a parabolic subgroup P of G, it is contained ...
On Reductive Subgroups of Algebraic Groups and a Question of Külshammer
(University of Canterbury. Mathematics and Statistics, 2013)
This Thesis is motivated by two problems, each concerning representations (homomorphisms) of groups into a connected reductive algebraic group G over an algebraically closed field k. The first problem is due to B. ...