Stability Weak Component Local #
Supporting estimates for the Navier–Stokes development.
theorem
CKN.stability_weak_component_localBox
{Ω Ω' : Set Foundation.Parabolic.Vec3}
{I J : Set ℝ}
(hbox : localBox Ω I Ω' J)
(D : ℕ → Foundation.Parabolic.ParabolicPoint → Fin 3 → Foundation.Parabolic.Vec3)
(d : Foundation.Parabolic.ParabolicPoint → Fin 3 → Foundation.Parabolic.Vec3)
(hweak :
∀ (i j : Fin 3) (w : Foundation.Parabolic.Vec3 × ℝ → ℝ),
MeasureTheory.MemLp w 2 ((MeasureTheory.volume.restrict Ω').prod (MeasureTheory.volume.restrict J)) →
Filter.Tendsto
(fun (n : ℕ) =>
∫ (z : Foundation.Parabolic.Vec3 × ℝ), D n (z.1, z.2) i j * w z ∂(MeasureTheory.volume.restrict Ω').prod (MeasureTheory.volume.restrict J))
Filter.atTop
(nhds
(∫ (z : Foundation.Parabolic.Vec3 × ℝ), d (z.1, z.2) i j * w z ∂(MeasureTheory.volume.restrict Ω').prod (MeasureTheory.volume.restrict J))))
(i j : Fin 3)
(w : Foundation.Parabolic.ParabolicPoint → ℝ)
(hw : MeasureTheory.MemLp w 2 (MeasureTheory.volume.restrict (spaceTimeSet Ω' J)))
:
Filter.Tendsto (fun (n : ℕ) => ∫ (z : Foundation.Parabolic.ParabolicPoint) in spaceTimeSet Ω' J, D n z i j * w z)
Filter.atTop (nhds (∫ (z : Foundation.Parabolic.ParabolicPoint) in spaceTimeSet Ω' J, d z i j * w z))
Componentwise weak L² convergence in product coordinates transfers to
CKN local-box integrals.