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Preprint Number 2270
2270. Benjamin Martin Powers of commutators in linear algebraic groups E-mail: Submission date: 26 September 2022 Abstract: Let G be a linear algebraic group over k, where k is an algebraically closed field, a pseudo-finite field or the valuation ring of a nonarchimedean local field. Let G= G(k). We prove that if γ, δ ∈ G such that γ is a commutator and ⟨ δ ⟩ = ⟨ γ ⟩ then δ is a commutator. This generalises a result of Honda for finite groups. Our proof uses the Lefschetz Principle from first-order model theory. Mathematics Subject Classification: 20G15 (20F12, 03C98) Keywords and phrases: |
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