Uniform dissipation allocation for actual selected coefficient orders.
theorem
AVenhance.Infra.Section4.iterate_truncated_allocated_filtered_flux_bound
{A : ℝ → Homogenization.Vec 2 → Matrix (Fin 2) (Fin 2) ℝ}
{u v : ℝ → Homogenization.Vec 2 → ℝ}
{s : ℝ}
(hs1 : s ≤ 1)
(hu : ContDiffOn ℝ (↑⊤) (fun (z : AmnrSpace) => u z.1 z.2) (Set.Ici 0 ×ˢ Set.univ))
(hv : ContDiffOn ℝ (↑⊤) (fun (z : AmnrSpace) => v z.1 z.2) (Set.Ici 0 ×ˢ Set.univ))
(w : List (Fin 2))
(q : ℕ → Bool)
(hcoef :
∀ p ∈ List.filter (fun (p : List (Fin 2) × List (Fin 2)) => q p.1.length) (iterateSpatialSplits w),
ContinuousOn (fun (z : AmnrSpace) => iterateMatrixWord (A z.1) p.1 z.2) (Set.Ici 0 ×ˢ Set.univ))
{κ : ℝ}
(hκ : 0 < κ)
(D E : ℕ → ℝ)
(hD :
∀ (t : ℝ) (x : Homogenization.Vec 2),
∀ p ∈ List.filter (fun (p : List (Fin 2) × List (Fin 2)) => q p.1.length) (iterateSpatialSplits w),
∀ (j k : Fin 2), |iterateMatrixWord (A t) p.1 x j k| ≤ D p.1.length)
(hE :
∀ p ∈ List.filter (fun (p : List (Fin 2) × List (Fin 2)) => q p.1.length) (iterateSpatialSplits w),
(spaceTimeGradNormSq fun (t : ℝ) => spaceGrad (iterateSpatialWord p.2 (v t))) ≤ E p.2.length)
:
|∫ (z : AmnrSpace) in iterateTruncatedCell s, Homogenization.vecDot (spaceGrad (iterateSpatialWord w (u z.1)) z.2)
(iterateSplitFlux (List.filter (fun (p : List (Fin 2) × List (Fin 2)) => q p.1.length) (iterateSpatialSplits w))
(A z.1) (v z.1) z.2)| ≤ (κ / 8 * spaceTimeGradNormSq fun (t : ℝ) => spaceGrad (iterateSpatialWord w (u t))) + 16 / κ * ∑ j ∈ Finset.range (w.length + 1),
if q j = true then ↑(w.length.choose j) ^ 2 * 2 ^ j * D j ^ 2 * E (w.length - j) else 0
Any selection of actual coefficient orders has a uniform dissipation allocation and the exact selected binomial-square gradient remainder.