OAI/GroupTheory/PolycyclicRecognition/Geometry/CartanPolarSourceFramesCanonical.lean

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Linked source frames for an exponential-compatible dilation

  1. theorem OAI.PolycyclicRecognition.CartanWordModel.PolarTiledSamplerData.nonempty_linkedSource_of_exp line 43

    Source documentation

    The original box hypotheses construct the linked frames for any continuous dilation satisfying the canonical exponential formula.

    theorem PolarTiledSamplerData.nonempty_linkedSource_of_exp
        (hε : 0 ≤ ε)
        (hbijN : Function.Bijective F.ExpN)
        (hchartN : ∀ v, chartN v = F.ExpN v)
        (haarN : NilpotentExponentialHaarInput F.N.modelSpace F.N.carrier)
        (dynkinN : NilpotentDynkinExpansionInput F.N.modelSpace F.N.carrier)
        {Eall : Set W} (hEall : IsCompact Eall) (hne : Eall.Nonempty)
        (γ : M.Bases)
        (hγ : IsMaximizingColumnBasis (wordListCoordinates M.letter M.wordList bN)
          (M.boxCost T hunimod eW Eall) γ.val)
        (w : W) (hBE : (fun z => z + w) '' normalizedPolarTemplates K ε 1 ⊆ Eall)
        (hw : ∀ i, 0 ≤ (M.supportIn T hunimod eW).weightSupport Eall i)
    …

    Mentions: OAI.PolycyclicRecognition.NilpotentExponentialHaarInput, OAI.PolycyclicRecognition.NilpotentDynkinExpansionInput, OAI.PolycyclicRecognition.IsMaximizingColumnBasis, OAI.PolycyclicRecognition.wordListCoordinates, OAI.PolycyclicRecognition.normalizedPolarTemplates