OAI/Geometry/RCD/Coordinates/RegularProjectionEnvironment.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

One regular-neighborhood environment for heat and sharp projection

  1. structure OAI.RegularPointCoordinates.RegularProjectionEnvironment line 20

    Source documentation

    Actual heat data and actual small-source replacements with identical root radii. Every later coordinate estimate uses heat.coordinates.

    structure RegularProjectionEnvironment {K : ℝ} {n : ℕ} (hX : NoncollapsedRCD K n X)
        [(hausdorff n X).Regular] [IsFiniteMeasureOnCompacts (hausdorff n X)]
        (p : X) {ker : ℝ → X → X → ℝ}
        (hk : IsContinuousHeatKernel (hausdorff n X) hX.quadratic ker)
        (a κ B J C A Cχ enlargement zeta eta : ℝ) where
    …

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

  2. theorem OAI.RegularPointCoordinates.exists_regular_projection_environment_uniform_degree line 50

    Source documentation

    The radius cap synchronizes the already proved heat construction with the source neighborhood. All five construction constants are chosen before the source and coordinate tolerances.

    theorem exists_regular_projection_environment_uniform_degree {K : ℝ} (m : ℕ)
        (hX : NoncollapsedRCD K (m + 2) X) [(hausdorff (m + 2) X).Regular]
        {p : X} {a κ : ℝ} (ha : 0 ≤ a) (hκ : 0 ≤ κ) (hK : -κ ≤ K)
        (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)))
        (hdistance : LocalSquaredDistanceInput hX) (hsobolev : LocalDirichletSobolevInput hX)
        (hpoisson : LocalPoissonGradientInput 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.LocalSquaredDistanceInput, OAI.RegularPointCoordinates.LocalDirichletSobolevInput, OAI.RegularPointCoordinates.LocalPoissonGradientInput

  3. theorem OAI.RegularPointCoordinates.exists_regular_projection_environment line 161

    Source documentation

    The original interface follows by forgetting the uniform degree.

    theorem exists_regular_projection_environment {K : ℝ} (m : ℕ)
        (hX : NoncollapsedRCD K (m + 2) X) [(hausdorff (m + 2) X).Regular]
        {p : X} {a κ : ℝ} (ha : 0 ≤ a) (hκ : 0 ≤ κ) (hK : -κ ≤ K)
        (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)))
        (hdistance : LocalSquaredDistanceInput hX) (hsobolev : LocalDirichletSobolevInput hX)
        (hpoisson : LocalPoissonGradientInput 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.LocalSquaredDistanceInput, OAI.RegularPointCoordinates.LocalDirichletSobolevInput, OAI.RegularPointCoordinates.LocalPoissonGradientInput