Receding Force Pairing Bound #
Supporting results for the Constantin–Ignatova–Vicol axisymmetric regularity theorem.
theorem
CIV.force_term_pairing_bound
{h rc zc : ℝ}
(hh0 : 0 < h)
(lam : ℕ → ℝ)
(hlam_pos : ∀ (n : ℕ), 0 < lam n)
(hlam_le : ∀ᶠ (n : ℕ) in Filter.atTop, lam n ≤ 1)
{f : CKN.Foundation.Parabolic.ParabolicPoint → CKN.Foundation.Parabolic.Vec3}
(hMf : ForceC2Bounded f)
{K : Set (ℝ × ℝ)}
(hK : IsCompact K)
(τ : ℝ)
(hmem : ∀ᶠ (n : ℕ) in Filter.atTop, ∀ y ∈ K, zoomPointRec (lam n) h rc zc (y, τ) ∈ unitCylinder)
:
∃ (C₀ : ℝ),
0 ≤ C₀ ∧ ∀ (ψ : ℝ × ℝ → ℝ),
ContDiff ℝ (↑⊤) ψ →
HasCompactSupport ψ →
tsupport ψ ⊆ interior K →
∀ (B : ℝ),
0 ≤ B →
(∀ (y : ℝ × ℝ), |ψ y| ≤ B ∧ ‖fderiv ℝ ψ y‖ ≤ B ∧ ‖fderiv ℝ (fderiv ℝ ψ) y‖ ≤ B) →
∀ᶠ (n : ℕ) in Filter.atTop, |∫ (y : ℝ × ℝ), lam n ^ 4 * lam n ^ (2 * h) * curlComp f 1 (zoomPointRec (lam n) h rc zc (y, τ)) * ψ y| ≤ C₀ * B