Meridional Smallness Prop #
Supporting results for the Constantin–Ignatova–Vicol axisymmetric regularity theorem.
theorem
CIV.meridionalSmallness
(q : ℝ)
(u : CKN.Foundation.Parabolic.ParabolicPoint → CKN.Foundation.Parabolic.Vec3)
(Du : CKN.Foundation.Parabolic.ParabolicPoint → Fin 3 → CKN.Foundation.Parabolic.Vec3)
(p : CKN.Foundation.Parabolic.ParabolicPoint → ℝ)
(f : CKN.Foundation.Parabolic.ParabolicPoint → CKN.Foundation.Parabolic.Vec3)
(hsol : CKN.IsSuitableWeakSolution (CKN.Foundation.Parabolic.vec3Ball 0 1) (Set.Ioo (-1) 0) q u Du p f)
(henergy : GlobalEnergyClass u Du p)
(hu : ContDiffOn ℝ (↑⊤) (fun (z : CKN.Foundation.Parabolic.Vec3 × ℝ) => u z) unitCylinder)
(hp : ContDiffOn ℝ (↑⊤) (fun (z : CKN.Foundation.Parabolic.Vec3 × ℝ) => p z) unitCylinder)
(hf : ContDiffOn ℝ (↑⊤) (fun (z : CKN.Foundation.Parabolic.Vec3 × ℝ) => f z) unitCylinder)
(haxi : IsAxisymmetricOn u unitCylinder)
(h : ℝ)
(hh : 0 < h ∧ h < 1 / 2)
(hMf : ForceC2Bounded f)
(C : ℝ)
(hC : 0 < C)
(hbounds : AnisotropicBounds C h u)
(ρ : ℝ)
:
ρ ∈ Set.Ioo 0 1 → MeridionalSmallness ρ u
Proposition 1.5 (prop:aniso:small).