Subordinated Near #
Part of the Caffarelli–Kohn–Nirenberg partial regularity proof.
theorem
CKN.Core.HeatPotential.heatPotential_near_factor_toReal
{δ q r b : ℝ}
{N : ENNReal}
(hr : 0 < r)
(hδ : 0 < δ)
:
(ENNReal.ofReal 2 ^ q * (1 - ENNReal.ofReal 2 ^ (-δ))⁻¹ * ENNReal.ofReal (256 * r) ^ δ * MeasureTheory.volume (Foundation.Parabolic.parabolicCylinder 0 0 1) ^ b * N).toReal = 2 ^ q * (1 - 2 ^ (-δ))⁻¹ * (256 * r) ^ δ * (MeasureTheory.volume (Foundation.Parabolic.parabolicCylinder 0 0 1)).toReal ^ b * N.toReal
theorem
CKN.Core.HeatPotential.heatPotential_near_factor_ne_top
{δ q r b : ℝ}
{N : ENNReal}
:
0 < r →
∀ (hδ : 0 < δ) (hq : 0 ≤ q) (hb : 0 ≤ b) (hN : N < ⊤),
ENNReal.ofReal 2 ^ q * (1 - ENNReal.ofReal 2 ^ (-δ))⁻¹ * ENNReal.ofReal (256 * r) ^ δ * MeasureTheory.volume (Foundation.Parabolic.parabolicCylinder 0 0 1) ^ b * N ≠ ⊤
theorem
CKN.Core.HeatPotential.heatPotential_near_set_subset_riesz_ball
{z p : Foundation.Parabolic.ParabolicPoint}
{r : ℝ}
(hr : 0 < r)
(hp : p ∈ Metric.closedBall z r)
:
theorem
CKN.Core.HeatPotential.heatPotential_far_uniform_kernel_bound
{z p : Foundation.Parabolic.ParabolicPoint}
{r : ℝ}
(hr : 0 < r)
(hp : p ∈ Metric.closedBall z r)
(v : Foundation.Parabolic.ParabolicPoint)
:
v ∈ ⋃ (j : ℕ), heatPotentialFarShellSet z r j → |heatPotentialKernel p v| ≤ 1000 / (16 * r) ^ 3
theorem
CKN.Core.HeatPotential.heatPotential_far_uniform_spatial_kernel_bound
{z p : Foundation.Parabolic.ParabolicPoint}
{r : ℝ}
(hr : 0 < r)
(hp : p ∈ Metric.closedBall z r)
(i : Fin 3)
(v : Foundation.Parabolic.ParabolicPoint)
:
v ∈ ⋃ (j : ℕ), heatPotentialFarShellSet z r j → |heatPotentialSpatialKernel i p v| ≤ 300000 / (16 * r) ^ 4
theorem
CKN.Core.HeatPotential.heatPotential_near_kernel_integrable
{F : Foundation.Parabolic.ParabolicPoint → ℝ}
{z p : Foundation.Parabolic.ParabolicPoint}
{r P θ : ℝ}
(hr : 0 < r)
(hP : 1 ≤ P)
(hPθ : P ≤ θ)
(hF : AEMeasurable F MeasureTheory.volume)
(hN : Foundation.Parabolic.Morrey.morreyNorm P θ F < ⊤)
(hδ : 0 < 2 - 5 / θ)
(hp : p ∈ Metric.closedBall z r)
:
MeasureTheory.IntegrableOn (fun (v : Foundation.Parabolic.ParabolicPoint) => heatPotentialKernel p v * F v)
(heatPotentialNearSet z r) MeasureTheory.volume
theorem
CKN.Core.HeatPotential.heatPotential_near_spatial_kernel_integrable
{G : Foundation.Parabolic.ParabolicPoint → ℝ}
{z p : Foundation.Parabolic.ParabolicPoint}
{r P θ : ℝ}
(hr : 0 < r)
(hP : 1 ≤ P)
(hPθ : P ≤ θ)
(hG : AEMeasurable G MeasureTheory.volume)
(hN : Foundation.Parabolic.Morrey.morreyNorm P θ G < ⊤)
(hδ : 0 < 1 - 5 / θ)
(hp : p ∈ Metric.closedBall z r)
(i : Fin 3)
:
MeasureTheory.IntegrableOn (fun (v : Foundation.Parabolic.ParabolicPoint) => heatPotentialSpatialKernel i p v * G v)
(heatPotentialNearSet z r) MeasureTheory.volume
theorem
CKN.Core.HeatPotential.heatPotential_near_kernel_abs_integral_bound
{F : Foundation.Parabolic.ParabolicPoint → ℝ}
{z p : Foundation.Parabolic.ParabolicPoint}
{r P θ : ℝ}
(hr : 0 < r)
(hP : 1 ≤ P)
(hPθ : P ≤ θ)
(hF : AEMeasurable F MeasureTheory.volume)
(hN : Foundation.Parabolic.Morrey.morreyNorm P θ F < ⊤)
(hδ : 0 < 2 - 5 / θ)
(hp : p ∈ Metric.closedBall z r)
:
∫ (v : Foundation.Parabolic.ParabolicPoint) in heatPotentialNearSet z r, |heatPotentialKernel p v * F v| ≤ 1000 * (2 ^ (8 - 5 / θ) * (1 - 2 ^ (-(2 - 5 / θ)))⁻¹ * 256 ^ (2 - 5 / θ) * (MeasureTheory.volume (Foundation.Parabolic.parabolicCylinder 0 0 1)).toReal ^ (1 - 1 / P) * (Foundation.Parabolic.Morrey.morreyNorm P θ F).toReal) * r ^ (2 - 5 / θ)
theorem
CKN.Core.HeatPotential.heatPotential_near_spatial_kernel_abs_integral_bound
{i : Fin 3}
{G : Foundation.Parabolic.ParabolicPoint → ℝ}
{z p : Foundation.Parabolic.ParabolicPoint}
{r P θ : ℝ}
(hr : 0 < r)
(hP : 1 ≤ P)
(hPθ : P ≤ θ)
(hG : AEMeasurable G MeasureTheory.volume)
(hN : Foundation.Parabolic.Morrey.morreyNorm P θ G < ⊤)
(hδ : 0 < 1 - 5 / θ)
(hp : p ∈ Metric.closedBall z r)
:
∫ (v : Foundation.Parabolic.ParabolicPoint) in heatPotentialNearSet z r, |heatPotentialSpatialKernel i p v * G v| ≤ 300000 * (2 ^ (10 - 1 - 5 / θ) * (1 - 2 ^ (-(1 - 5 / θ)))⁻¹ * 256 ^ (1 - 5 / θ) * (MeasureTheory.volume (Foundation.Parabolic.parabolicCylinder 0 0 1)).toReal ^ (1 - 1 / P) * (Foundation.Parabolic.Morrey.morreyNorm P θ G).toReal) * r ^ (1 - 5 / θ)