Global complete Sobolev paths of the regularized mild solution #
Uniform Sobolev restarts and the physical L² energy bound give a continuous complete Sobolev realization on every finite interval.
theorem
CKN.Leray.regularisedBesselGlobalFinitePath
(ρ : RegMollifierProfile)
(ε : ℝ)
(hε : 0 < ε)
(k : ℕ)
(b₀ : ↥RealVectorL2)
(hbJ : RegularizedMildJData b₀)
(b : BesselPotentialSpace Foundation.Parabolic.L2Vec3 ComplexVec3 (↑(2 * k)) 2)
(hb : (regularisedBesselSobolevToL2CLM ↑(2 * k) ⋯) b = complexifyVectorL2 b₀)
(T : ℝ)
(hT : 0 ≤ T)
:
∃ (v : C(↑(RegularizedMildTimeInterval T), BesselPotentialSpace Foundation.Parabolic.L2Vec3 ComplexVec3 (↑(2 * k)) 2)),
∀ (t : ↑(RegularizedMildTimeInterval T)),
(regularisedBesselSobolevToL2CLM ↑(2 * k) ⋯) (v t) = complexifyVectorL2 (regularizedGlobalMildCurve ρ ε hε b₀ hbJ ↑t)
An initial H²ᵏ realization of the regularized mild curve extends as a continuous H²ᵏ representative on every finite time interval.
theorem
CKN.Leray.regUniformMollifiedInitial_global_bessel_path
(ρ : RegMollifierProfile)
(ε : ℝ)
(hε : 0 < ε)
(a : Foundation.Parabolic.Vec3 → Foundation.Parabolic.Vec3)
(ha : IsInJ a)
(k : ℕ)
(T : ℝ)
(hT : 0 ≤ T)
:
let b₀ := realVectorL2OfCoordinateFunction (regUniformMollifiedInitial ρ ε hε a) ⋯;
∃ (v : C(↑(RegularizedMildTimeInterval T), BesselPotentialSpace Foundation.Parabolic.L2Vec3 ComplexVec3 (↑(2 * k)) 2)),
∀ (t : ↑(RegularizedMildTimeInterval T)),
(regularisedBesselSobolevToL2CLM ↑(2 * k) ⋯) (v t) = complexifyVectorL2 (regularizedGlobalMildCurve ρ ε hε b₀ ⋯ ↑t)
The global regularized mild curve from mollified Leray data has a continuous H²ᵏ realization on every finite interval.