Local complete Sobolev representation of the global mild curve #
For every real complete Sobolev initial state, the global regularized mild solution is represented by a complete Sobolev mild curve on a positive interval.
theorem
CKN.Leray.regularisedBesselLocalGlobalRepresentation
(ρ : RegMollifierProfile)
(ε : ℝ)
(hε : 0 < ε)
(k : ℕ)
(b : BesselPotentialSpace Foundation.Parabolic.L2Vec3 ComplexVec3 (↑(2 * k)) 2)
(b₀ : ↥RealVectorL2)
(hb : (regularisedBesselSobolevToL2CLM ↑(2 * k) ⋯) b = complexifyVectorL2 b₀)
(hbJ : RegularizedMildJData b₀)
:
∃ (u :
C(↑(RegularizedMildTimeInterval (regularisedBesselLocalLifespan ρ ε hε k b)), BesselPotentialSpace Foundation.Parabolic.L2Vec3 ComplexVec3 (↑(2 * k)) 2)),
regularisedBesselLocalMap ρ ε hε k b (regularisedBesselLocalLifespan ρ ε hε k b) ⋯ u = u ∧ ‖u‖ ≤ regularisedBesselLocalRadius k b ∧ ∀ (t : ↑(RegularizedMildTimeInterval (regularisedBesselLocalLifespan ρ ε hε k b))),
(regularisedBesselSobolevToL2CLM ↑(2 * k) ⋯) (u t) = complexifyVectorL2 (regularizedGlobalMildCurve ρ ε hε b₀ hbJ ↑t)
The global regularized mild curve has a real complete H²ᵏ representation on the explicit local lifespan.