OAI/Geometry/RCD/Coordinates/NormalizedDistancePoisson.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Uniform scale-correct Poisson replacement of squared distance
- theorem
OAI.RegularPointCoordinates.normalized_distance_poisson_estimatesline 21Source documentation
One torsion constant works for every center, radius and full positive source. The height, gradient and energy-density errors have the exact radius factors needed by the dyadic radial argument.
theorem normalized_distance_poisson_estimates {d C : ℝ} (hd : 1 < d) (hC : 0 < C) : ∃ H : ℝ, 0 < H ∧ ∀ (p : X) (r R D : ℝ) (hR : 0 ≤ R), ∀ χ : GoodLaplacianCutoff μ hQ p R D, 0 < r → r ≤ R → μ (ball p r) ≠ ∞ → 0 < μ.real (ball p r) → ∀ P : ℝ, 0 ≤ P → (∀ φ : SobolevSpace.dirichlet μ hQ (ball p r), ‖SobolevSpace.toLp μ hQ φ.val‖ ^ 2 ≤ P * energyForm μ hQ φ.val φ.val) → (∀ φ : SobolevSpace.dirichlet μ hQ (ball p r), (∫ x in ball p r, |SobolevSpace.toLp μ hQ φ.val x| ^ (2 * d) ∂μ) ^ (1 / d) ≤ (C * r ^ 2 * (μ.real (ball p r)) ^ (1 / d - 1)) * energyForm μ hQ φ.val φ.val) → (∀ᵐ x ∂μ.restrict (ball p R), localGamma μ hQ (inwardSobolev μ hQ p R) (inwardSobolev μ hQ p R) x = 1) → …Mentions: OAI.RegularPointCoordinates.GoodLaplacianCutoff, OAI.RegularPointCoordinates.SobolevSpace.dirichlet, OAI.RegularPointCoordinates.SobolevSpace.toLp, OAI.RegularPointCoordinates.energyForm, OAI.RegularPointCoordinates.localGamma, OAI.RegularPointCoordinates.inwardSobolev