OAI/Geometry/RCD/Sobolev/PoissonSourceLocalization.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Localizing the actual distance datum and its compact-test defect
- theorem
OAI.RegularPointCoordinates.positiveSquaredDistance_energy_valueline 18Source documentation
For the actual positive squared-distance datum, half its energy density is the datum itself on the entire inner ball.
theorem positiveSquaredDistance_energy_value {p : X} {R C : ℝ} (hR : 0 ≤ R) (χ : GoodLaplacianCutoff μ hQ p R C) (heik : ∀ᵐ x ∂μ.restrict (ball p R), localGamma μ hQ (inwardSobolev μ hQ p R) (inwardSobolev μ hQ p R) x = 1) : let q := positiveSquaredDistance μ hQ hR χ …Mentions: OAI.RegularPointCoordinates.GoodLaplacianCutoff, OAI.RegularPointCoordinates.localGamma, OAI.RegularPointCoordinates.inwardSobolev, OAI.RegularPointCoordinates.positiveSquaredDistance
- theorem
OAI.RegularPointCoordinates.positive_defect_monoline 35Source documentation
Compact support transfers a positive defect identity to any smaller open testing region, even when its center changes.
theorem positive_defect_mono {S T : Set X} (hST : S ⊆ T) (Q : SobolevSpace μ hQ) (σ : Measure X) (a : ℝ) (hsource : ∀ (ψ : SobolevSpace μ hQ) (v : X → ℝ) (L : ℝ≥0), LipschitzWith L v → HasCompactSupport v → tsupport v ⊆ T → SobolevSpace.toLp μ hQ ψ =ᵐ[μ] v → energyForm μ hQ Q ψ + a * (∫ x in T, v x ∂μ) = ∫ x, v x ∂σ) : ∀ (ψ : SobolevSpace μ hQ) (v : X → ℝ) (L : ℝ≥0), LipschitzWith L v → HasCompactSupport v → tsupport v ⊆ S → SobolevSpace.toLp μ hQ ψ =ᵐ[μ] v → energyForm μ hQ Q ψ + a * (∫ x in S, v x ∂μ) = ∫ x, v x ∂σ := by …Mentions: OAI.RegularPointCoordinates.SobolevSpace, OAI.RegularPointCoordinates.SobolevSpace.toLp, OAI.RegularPointCoordinates.energyForm