Hölder bound of the tail piece w = θ − θ_M #
Uniform in κ and M: ‖w(t) − w(s)‖ ≤ K_w ‖θ₀‖_{H¹} |t − s|^{μ_w}.
The exponent a = qβ − (β − γ) of the tail decay.
Equations
- AVenhance.Infra.FullTheorem.tailExp β = AVenhance.q β * β - (β - AVenhance.gamma β)
Instances For
The Hölder exponent of the tail piece.
Equations
Instances For
The constant of the tail piece.
Equations
- One or more equations did not get rendered due to their size.
Instances For
theorem
AVenhance.Infra.FullTheorem.w_holder
{β CU Ct Bφ : ℝ}
(hU : LemmaUWith CU)
(hCU : 0 < CU)
(hCt : 0 ≤ Ct)
(hBφ : 0 ≤ Bφ)
{I : Ingredients β}
{Φ : ℕ → ℝ → Homogenization.Vec 2 → ℝ}
(hΦ : IsStreamSeq I Φ)
{φ : ℝ → Homogenization.Vec 2 → ℝ}
(htail : ∀ (M : ℕ) (t : ℝ) (x : Homogenization.Vec 2), |φ t x - Φ M t x| ≤ Ct * epsilon β I.Λ (M + 1) ^ β)
(hφ_meas :
MeasureTheory.AEStronglyMeasurable (fun (p : ℝ × Homogenization.Vec 2) => φ p.1 p.2)
(MeasureTheory.volume.restrict (Set.Icc 0 1 ×ˢ Set.univ)))
(hφ_per : ∀ t ∈ Set.Icc 0 1, IsZ2Periodic (φ t))
(hφ_diff : ∀ t ∈ Set.Icc 0 1, Differentiable ℝ (φ t))
(hb_meas :
MeasureTheory.AEStronglyMeasurable (fun (p : ℝ × Homogenization.Vec 2) => streamVel φ p.1 p.2)
(MeasureTheory.volume.restrict (Set.Icc 0 1 ×ˢ Set.univ)))
(hb_per : ∀ t ∈ Set.Icc 0 1, IsZ2Periodic (streamVel φ t))
(hdiv : IsDivFree (streamVel φ))
(hb_bdd : ∀ t ∈ Set.Icc 0 1, ∀ (x : Homogenization.Vec 2), ‖streamVel φ t x‖ ≤ Bφ)
{κ : ℝ}
{M : ℕ}
(hM : 1 ≤ M)
(hκlo : 1 / 2 * epsilon β I.Λ M ^ (β - gamma β) ≤ κ)
(hκ1 : κ ≤ 1)
{θ₀ : Homogenization.Vec 2 → ℝ}
(hθ₀ : ContDiff ℝ (↑⊤) θ₀)
(hper : IsZ2Periodic θ₀)
{θ : ℝ → Homogenization.Vec 2 → ℝ}
(hθ : IsWeakSolution (streamVel φ) κ θ₀ θ)
{θM : ℝ → Homogenization.Vec 2 → ℝ}
(hθM : IsClassicalSol (streamVel (Φ M)) κ (fun (x : ℝ) (x_1 : Homogenization.Vec 2) => 0) θ₀ θM)
:
IsHolderTimeL2 (tailMu β) (tailK β CU Ct (max Bφ (velBound β)) * √(l2NormSq θ₀ + gradNormSq (spaceGrad θ₀)))
fun (t : ℝ) (x : Homogenization.Vec 2) => θ t x - θM t x