OAI/GroupTheory/PolycyclicRecognition/Geometry/CartanNeighborSamplingRow.lean

GitHub source file

2 declarations, 0 contain sorry, 0 declared as axioms

Original neighboring samples before their affine limit is identified

  1. structure OAI.PolycyclicRecognition.CartanWordModel.NeighborSamplingRow line 38

    Source documentation

    Actual samples, root step and weak law, with no affine-limit premise.

    structure NeighborSamplingRow where
    …
  2. def OAI.PolycyclicRecognition.CartanWordModel.NeighborSamplingRow.withAffinity line 86

    Source documentation

    Insert a proved common affine description into the exact original row. This changes neither its weak law nor either sampled profile.

    def NeighborSamplingRow.withAffinity
        (A : templateSymmetryGroup (M.supportIn T hunimod eW)) (b₁ b₂ : W)
        (haffine : ∀ z, eW (heightProjection T.character
          ((WordBasisSelections.basis X (boundedBracketWords d) βD).equivFun.symm z :
            GroupLieAlgebra (𝓘(ℝ, EG)) G)) ∈ (fun w => (1 - c * δ) • w) '' interior cell →
          D.point.1.val z = A.val (eW (heightProjection T.character
            ((WordBasisSelections.basis X (boundedBracketWords d) βD).equivFun.symm z :
              GroupLieAlgebra (𝓘(ℝ, EG)) G))) + b₁ ∧
          D.point.2.val z = A.val (eW (heightProjection T.character
            ((WordBasisSelections.basis X (boundedBracketWords d) βD).equivFun.symm z :
              GroupLieAlgebra (𝓘(ℝ, EG)) G))) + b₂) :
        AffineNeighborRow T M F hunimod eW π bN cell β X βD
    …

    Mentions: OAI.PolycyclicRecognition.templateSymmetryGroup, OAI.PolycyclicRecognition.heightProjection, OAI.PolycyclicRecognition.WordBasisSelections.basis, OAI.PolycyclicRecognition.boundedBracketWords, OAI.PolycyclicRecognition.CartanWordModel.AffineNeighborRow