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LeanPool.CaffarelliKohnNirenberg.Core.HeatPotential.FarShell

Far Shell #

Part of the Caffarelli–Kohn–Nirenberg partial regularity proof.

Far parabolic shell with the six-scale separation used in heat-kernel difference estimates.

Equations
Instances For
    theorem CKN.Core.HeatPotential.heatPotential_far_shell_kernel_separation {z w v : Foundation.Parabolic.ParabolicPoint} {r : ℝ} {j : ℕ} (hr : 0 < r) (hw : w ∈ Metric.closedBall z r) (hv : v ∈ heatPotentialFarShellSet z r j) :
    w.2 - v.2 ≤ 0 ∨ 2 ^ (↑j + 4) * r ≤ Foundation.Heat.rhoTwo (w.1 - v.1) (w.2 - v.2)
    theorem CKN.Core.HeatPotential.heatPotential_time_kernel_difference_abs_le {p p' v : Foundation.Parabolic.ParabolicPoint} {R : ℝ} (hR : 0 < R) (hp : p.2 ≤ p'.2) (ht : 0 ≤ p.2 - v.2) (hsep : ∀ s ∈ Set.Icc p.2 p'.2, R ≤ Foundation.Heat.rhoTwo (p'.1 - v.1) (s - v.2)) :
    |heatPotentialKernel (p'.1, p.2) v - heatPotentialKernel p' v| ≤ 10000000 / R ^ 5 * |p.2 - p'.2|
    theorem CKN.Core.HeatPotential.heatPotential_spatial_time_kernel_difference_abs_le {i : Fin 3} {p p' v : Foundation.Parabolic.ParabolicPoint} {R : ℝ} (hR : 0 < R) (hp : p.2 ≤ p'.2) (ht : 0 ≤ p.2 - v.2) (hsep : ∀ s ∈ Set.Icc p.2 p'.2, R ≤ Foundation.Heat.rhoTwo (p'.1 - v.1) (s - v.2)) :
    |heatPotentialSpatialKernel i (p'.1, p.2) v - heatPotentialSpatialKernel i p' v| ≤ 30000000000 / R ^ 6 * |p.2 - p'.2|