OAI/Geometry/RCD/Coordinates/ScaledRegularData.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

Fixed heat constants for arbitrarily small regular neighborhoods

  1. structure OAI.RegularPointCoordinates.RegularHeatConstants line 16

    Source documentation

    The constants retained before choosing the pinching tolerance.

    structure RegularHeatConstants (n : ℕ) where
    …
  2. def OAI.RegularPointCoordinates.RegularHeatConstants.Matches line 33

    Source documentation

    Exact heat parameters, dimensionless regularizer, and curvature smallness for the normalized harmonic data.

    def RegularHeatConstants.Matches {K : ℝ} {n : ℕ} {hX : NoncollapsedRCD K n X}
        [(hausdorff n X).Regular] {p : X} {ker : ℝ → X → X → ℝ}
        {hk : IsContinuousHeatKernel (hausdorff n X) hX.quadratic ker}
        {enlargement zeta : ℝ} (c : RegularHeatConstants n)
        (d : RegularBilinearData hX p hk enlargement zeta) : Prop :=
    …

    Mentions: OAI.RegularPointCoordinates.NoncollapsedRCD, OAI.RegularPointCoordinates.hausdorff, OAI.RegularPointCoordinates.IsContinuousHeatKernel, OAI.RegularPointCoordinates.RegularHeatConstants, OAI.RegularPointCoordinates.RegularBilinearData

  3. theorem OAI.RegularPointCoordinates.exists_scaled_regular_bilinear_data line 45

    Source documentation

    The published inputs build one such fixed set of constants and then supply the actual harmonic data for any positive tolerance and radius cap.

    theorem exists_scaled_regular_bilinear_data {K : ℝ} (m : ℕ)
        (hX : NoncollapsedRCD K (m + 2) X) [(hausdorff (m + 2) X).Regular]
        {p : X} {a : ℝ} (ha : 0 ≤ a)
        (hcompact : PointedRescalingPrecompactness p) (hregular : IsRegular (m + 2) p)
        (hvolume : EuclideanRescalingVolumeConvergence (hausdorff (m + 2) X) (m + 2) p
          (euclideanUnitVolume (m + 2)))
        (hmeasured : EuclideanMeasuredRescalingConvergence (hausdorff (m + 2) X) (m + 2) p)
        (hBG : BallVolumeComparison (hausdorff (m + 2) X) (comparisonModelVolume (m + 1) a))
        (hdensity : ∀ y, SmallScaleVolumeUpper (hausdorff (m + 2) X)
          (comparisonModelVolume (m + 1) a) y (euclideanUnitVolume (m + 2)))
        (hinitial : LocalInitialSplittingInput hX) (htrans : LocalTransformationInput hX)
        (hsplit : LocalFlatSplittingInput hX) (hrigidity : UniformRegularFlatnessInput hX)
    …

    Mentions: OAI.RegularPointCoordinates.NoncollapsedRCD, OAI.RegularPointCoordinates.hausdorff, OAI.RegularPointCoordinates.PointedRescalingPrecompactness, OAI.RegularPointCoordinates.IsRegular, OAI.RegularPointCoordinates.EuclideanRescalingVolumeConvergence, OAI.RegularPointCoordinates.euclideanUnitVolume, OAI.RegularPointCoordinates.EuclideanMeasuredRescalingConvergence, OAI.RegularPointCoordinates.BallVolumeComparison, OAI.RegularPointCoordinates.comparisonModelVolume, OAI.RegularPointCoordinates.SmallScaleVolumeUpper, OAI.RegularPointCoordinates.LocalInitialSplittingInput, OAI.RegularPointCoordinates.LocalTransformationInput, OAI.RegularPointCoordinates.LocalFlatSplittingInput, OAI.RegularPointCoordinates.UniformRegularFlatnessInput