OAI/Geometry/RCD/Harmonic/ActualProjectionConfiguration.lean

GitHub source file

9 declarations, 0 contain sorry, 0 declared as axioms

The geometric data for one actual two-center projection

The source measures, equal-Laplacian Poisson replacements and harmonic coordinate estimates determine the affine projection and its residual.

  1. structure OAI.RegularPointCoordinates.ActualProjectionConfiguration line 24

    Source documentation

    Equal-Laplacian replacements and harmonic coordinates centered at the second point, with their source and normalization bounds.

    structure ActualProjectionConfiguration {K : ℝ} {n : ℕ} (hX : NoncollapsedRCD K n X)
        [IsFiniteMeasureOnCompacts (hausdorff n X)] (κ B J C A Cχ epsilon H D L M : ℝ) where
    …

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

  2. def OAI.RegularPointCoordinates.ActualProjectionConfiguration.radius line 113

    Source documentation

    The physical radius is the actual radius of the chosen replacement.

    def radius (d : ActualProjectionConfiguration hX κ B J C A Cχ epsilon H D L M) : ℝ :=
    …

    Mentions: OAI.RegularPointCoordinates.ActualProjectionConfiguration

  3. theorem OAI.RegularPointCoordinates.ActualProjectionConfiguration.radius_pos line 116
  4. theorem OAI.RegularPointCoordinates.ActualProjectionConfiguration.radius_le_root line 119
  5. def OAI.RegularPointCoordinates.ActualProjectionConfiguration.error line 127

    Source documentation

    One explicit approximation error controls both the measured coordinates and the actual radial quadratic error.

    def error (d : ActualProjectionConfiguration hX κ B J C A Cχ epsilon H D L M) : ℝ :=
    …

    Mentions: OAI.RegularPointCoordinates.ActualProjectionConfiguration

  6. theorem OAI.RegularPointCoordinates.ActualProjectionConfiguration.approximationError_le line 133
  7. theorem OAI.RegularPointCoordinates.ActualProjectionConfiguration.error_pos line 145
  8. theorem OAI.RegularPointCoordinates.ActualProjectionConfiguration.quadratic_error line 150

    Source documentation

    The actual radial quadratic estimate on the outer projection ball.

    theorem quadratic_error
        (hn : 2 ≤ n) (hκ : 0 ≤ κ) (hB : 0 ≤ B)
        (d : ActualProjectionConfiguration hX κ B J C A Cχ epsilon H D L M) :
        ((hausdorff n X).real (ball d.center ((1 / 1024) * d.radius)))⁻¹ *
          (∫ x in ball d.center ((1 / 1024) * d.radius),
            (SobolevSpace.toLp (hausdorff n X) hX.quadratic
              ((d.radius ^ 2)⁻¹ • d.secondReplacement.replacement d.index) x -
                ‖d.coordinateValues x‖ ^ 2 / 2) ^ 2 ∂hausdorff n X) ≤ d.error := by
    …

    Mentions: OAI.RegularPointCoordinates.ActualProjectionConfiguration, OAI.RegularPointCoordinates.hausdorff, OAI.RegularPointCoordinates.SobolevSpace.toLp

  9. def OAI.RegularPointCoordinates.ActualProjectionConfiguration.projectionNorm line 190

    Source documentation

    The exact orthogonal residual norm of the actual two-center target.

    def projectionNorm (d : ActualProjectionConfiguration hX κ B J C A Cχ epsilon H D L M) : ℝ :=
    …

    Mentions: OAI.RegularPointCoordinates.ActualProjectionConfiguration