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math.RT2016
A non-restricted counterexample to the first Kac-Weisfeiler conjecture
Lewis Topley
In 1971 Kac and Weisfeiler made two important conjectures regarding the representation theory of restricted Lie algebras over fields of positive characteristic. The first of these…
math.RT2016
Harish-Chandra invariants and the centre of the reduced enveloping algebra
Lewis W. Topley
In this article we consider the centre of the reduced enveloping algebra of the Lie algebra of a reductive algebraic group in very good characteristic p > 2. The Harish-Chandra cen…