Blowup Riesz Slice Core #
Pressure reconstruction and convergence bounds for the rescaled sequence.
theorem
ESS.blowup_harmonic_of_mollifier_bump_pairings
{U : Set CKN.Foundation.Parabolic.Vec3}
(hU : IsOpen U)
{Q : Set CKN.Foundation.Parabolic.Vec3}
(hQ : Dense Q)
{p : CKN.Foundation.Parabolic.Vec3 → ℝ}
(hp : MeasureTheory.LocallyIntegrableOn p U MeasureTheory.volume)
(hzero :
∀ y ∈ Q,
∀ (n : ℕ),
Metric.closedBall y (CKN.sliceRadius n) ⊆ U →
∫ (x : CKN.Foundation.Parabolic.Vec3) in U, p x * CKN.spatialLaplacian
(fun (z : CKN.Foundation.Parabolic.Vec3) => CKN.mollifier (CKN.sliceRadius n) ⋯ (z - y)) x = 0)
:
Testing the spatial Laplacian on a countable family of mollifier bumps determines distributional harmonicity on the entire open set.