OAI/Geometry/RCD/Sobolev/PoissonCommonRegion.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

Common-region data for actual two-center replacements

  1. theorem OAI.RegularPointCoordinates.DyadicDistanceReplacements.value_bound line 19

    Source documentation

    The actual replacement has a global value bound in its natural squared length units; it follows from the positive datum and the proved height.

    theorem DyadicDistanceReplacements.value_bound {n : ℕ} {κ r0 B J C : ℝ} {p : X}
        {S : DyadicDistanceSources μ hQ n κ p r0}
        (T : DyadicDistanceReplacements μ hQ S B J C) (i : ℕ) :
        ∀ᵐ x ∂μ, |SobolevSpace.toLp μ hQ (T.replacement i) x| ≤
          max 8 B * (distanceSourceRadius r0 i) ^ 2 := by
    …

    Mentions: OAI.RegularPointCoordinates.DyadicDistanceSources, OAI.RegularPointCoordinates.DyadicDistanceReplacements, OAI.RegularPointCoordinates.SobolevSpace.toLp, OAI.RegularPointCoordinates.distanceSourceRadius

  2. theorem OAI.RegularPointCoordinates.DyadicDistanceReplacements.laplacian_on_ball line 44

    Source documentation

    Equal Laplacians remain equal on a smaller ball around another center.

    theorem DyadicDistanceReplacements.laplacian_on_ball {n : ℕ} {κ r0 B J C : ℝ} {p : X}
        {S : DyadicDistanceSources μ hQ n κ p r0}
        (T : DyadicDistanceReplacements μ hQ S B J C) (i : ℕ)
        (z : X) {R : ℝ} (hroom : R + dist z p ≤ distanceSourceRadius r0 i) :
        IsConstantLaplacianOn μ hQ (ball z R) (T.replacement i)
          ((n : ℝ) + κ * (4 * distanceSourceRadius r0 i) ^ 2) :=
    …

    Mentions: OAI.RegularPointCoordinates.DyadicDistanceSources, OAI.RegularPointCoordinates.DyadicDistanceReplacements, OAI.RegularPointCoordinates.distanceSourceRadius, OAI.RegularPointCoordinates.IsConstantLaplacianOn

  3. theorem OAI.RegularPointCoordinates.common_replacement_difference_harmonic line 54

    Source documentation

    The harmonic difference in the two-center argument is constructed from the actual same-scale replacements and their common constant source.

    theorem common_replacement_difference_harmonic
        {n : ℕ} {κ r0 B₁ J₁ C₁ B₂ J₂ C₂ : ℝ} {p₁ p₂ : X}
        {S₁ : DyadicDistanceSources μ hQ n κ p₁ r0}
        {S₂ : DyadicDistanceSources μ hQ n κ p₂ r0}
        (T₁ : DyadicDistanceReplacements μ hQ S₁ B₁ J₁ C₁)
        (T₂ : DyadicDistanceReplacements μ hQ S₂ B₂ J₂ C₂)
        (i : ℕ) (z : X) {R : ℝ}
        (hroom₁ : R + dist z p₁ ≤ distanceSourceRadius r0 i)
        (hroom₂ : R + dist z p₂ ≤ distanceSourceRadius r0 i) :
        IsSobolevHarmonicOn μ hQ (ball z R) (T₂.replacement i - T₁.replacement i) :=
    …

    Mentions: OAI.RegularPointCoordinates.DyadicDistanceSources, OAI.RegularPointCoordinates.DyadicDistanceReplacements, OAI.RegularPointCoordinates.distanceSourceRadius, OAI.RegularPointCoordinates.IsSobolevHarmonicOn