OAI/GroupTheory/PolycyclicRecognition/Geometry/CartanCellPairLaws.lean

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Marginals of the actual neighboring-sheet sampling law

  1. theorem OAI.PolycyclicRecognition.CartanWordModel.neighboring_cell_marginal_limits line 28

    Source documentation

    A joint neighboring-sheet limit has precisely the two marginal limits obtained by sampling the translated cells with suffixes k₀ and k₀ * k. Thus the single-sheet affinity theorem applies to both components.

    theorem neighboring_cell_marginal_limits
        [IsTopologicalGroup F.N.carrier]
        (haarN : NilpotentExponentialHaarInput F.N.modelSpace F.N.carrier)
        (chartN : GroupLieAlgebra (𝓘(ℝ, F.N.modelSpace)) F.N.carrier ≃ₜ F.N.carrier)
        (hchartN : ∀ x, chartN x = F.ExpN x)
        (b₀ : Basis (Fin (finrank ℝ (cartanRootIdeal H))) ℝ (cartanRootIdeal H))
        (E : Set W) (β : M.Bases) (scale : ℕ → ℝ) (k₀ k : ℕ → F.N.carrier)
        {S : Type*} [TopologicalSpace S] [MeasurableSpace S] [BorelSpace S] [BorelSpace (S × S)]
        (profile : ℕ → F.N.carrier → S) (hp : ∀ n, Measurable (profile n))
        (ν : ProbabilityMeasure (S × S))
        (hν : Tendsto (fun n => ProbabilityMeasure.map
          (M.translatedGroupBoxProbability T F hunimod eW haarN chartN hchartN b₀ E β (scale n) (k₀ n))
    …

    Mentions: OAI.PolycyclicRecognition.NilpotentExponentialHaarInput, OAI.PolycyclicRecognition.cartanRootIdeal