OAI/GroupTheory/PolycyclicRecognition/Algebra/SequenceDifferenceWordImage.lean
2 declarations, 0 contain sorry, 0 declared as axioms
One fixed switch scheme retains volume on every sufficiently large good set
- theorem
OAI.PolycyclicRecognition.differenceWord_subexponential_image_sequenceline 15 - theorem
OAI.PolycyclicRecognition.exists_fixed_differenceWord_image_sequenceline 45Source documentation
The scheme is fixed before the successful parameter sets are selected. Its limiting rank follows from the generating Lie words, not from any premise on the restricted endpoint images.
theorem exists_fixed_differenceWord_image_sequence {I J : Type*} [Fintype I] {n c : ℕ} (scale : ℕ → ℝ) (hscale : Tendsto scale atTop atTop) (rem : RemezPolynomialInput) (hn : 1 ≤ n) (a : DynkinCoefficients c 2) (S : Set (((Fin n → ℝ) →L[ℝ] (Fin n → ℝ) →L[ℝ] (Fin n → ℝ)) × (I → Fin n → ℝ))) (hS : IsCompact S) (b : ℕ → ((Fin n → ℝ) →L[ℝ] (Fin n → ℝ) →L[ℝ] (Fin n → ℝ)) × (I → Fin n → ℝ)) (hb : ∀ r, b r ∈ S) (b₀ : ((Fin n → ℝ) →L[ℝ] (Fin n → ℝ) →L[ℝ] (Fin n → ℝ)) × (I → Fin n → ℝ)) (hb₀ : b₀ ∈ S) (hlim : Tendsto b atTop (𝓝 b₀)) (hB : IsLieBracket b₀.1) (hg : PolynomialGroupLaws (dynkinProduct a b₀.1)) (hc : ExponentialConjugationLaw (dynkinProduct a b₀.1) b₀.1) …Mentions: OAI.PolycyclicRecognition.RemezPolynomialInput, OAI.PolycyclicRecognition.DynkinCoefficients, OAI.PolycyclicRecognition.IsLieBracket, OAI.PolycyclicRecognition.PolynomialGroupLaws, OAI.PolycyclicRecognition.dynkinProduct, OAI.PolycyclicRecognition.ExponentialConjugationLaw