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LeanPool.NavierStokesAndEuler.Euler.GevreyInviscidEnergyCompactness

Actual strong inviscid compactness retaining the quantitative Gevrey metric energies.

Actual global-in-time viscous correction from concrete Gevrey coefficient and residual budgets.

The actual nonlinear Gevrey bootstrap applies uniformly to every partial correction solution.

theorem EulerPartialCorrectionBootstrap.partial_correction_bootstrap (period : ) [Fact (0 < period)] {q : } (hq : 6 q) (S : ) (hS : 0 S) (D : EulerCorrectionOperators.CorrectionData period (q + 1) (Set.Icc 0 S)) (KG : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.metric.coefficient t)) (KL : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.linear.coefficient t)) (KQ : (i : Fin 3) → (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q ((D.quadratic i).coefficient t)) (hGq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KG t)) (hLq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KL t)) (hQq : ∀ (i : Fin 3), Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KQ i t)) (hG : Continuous fun (t : (Set.Icc 0 S)) => (D.metric.coefficient t).operator) (N : ) (hN : N + 6 q + 1) (R : C((Set.Icc 0 S), )) (B : EulerCorrectionEnergyData.SpatialBudget period D N R) (K : EulerCorrectionEnergyData.MetricBudget period S hS D) (C Δ ρ0 : ) (hC : EulerCorrectionEnergyMajorants.combinedConstant period B K C) ( : 0 < Δ) (hΔ1 : Δ 1) (hρ0 : 0 < ρ0) (hdecay : 2 * C * (B.B0 + Δ) * S ρ0 / 2) (hscale : ρ0 * B.Rc 1) (hsmall : 2 * B.residual * Real.exp (3 * C * S) Δ / 2) (hR : ∀ (t : (Set.Icc 0 S)), R t = ρ0 - 2 * C * (B.B0 + Δ) * t) (ν : ) ( : 0 < ν) (hν1 : ν 1) (hz : ∀ (t : (Set.Icc 0 S)), EulerCylinderSobolevSpace.value period (D.approximation t) EulerLiftedGradientSpace.divergenceFreeSpace period D.κ D.direction) (T : ) (hT : 0 T) (hTS : T S) (e : C((Set.Icc 0 T), (EulerCylinderSobolevSpace.SobolevSpace period (q + 1)))) (hsol : ∀ (t : (Set.Icc 0 T)), e t = EulerQuadraticSource.quadraticDuhamel period ν hT hTS (EulerCorrectionOperators.CorrectionData.coefficients period (EulerCorrectionLowerData.lowerData period D KG KL KQ hGq hLq hQq) hq) 0 e t) (t : (Set.Icc 0 T)) :

Every actual partial solution inherits the same quantitative shrinking-radius estimate from the fixed global data.

theorem EulerGlobalGevreyCorrection.exists_global_gevrey_correction (period : ) [Fact (0 < period)] {q : } (hq : 6 q) (S : ) (hS : 0 < S) (D : EulerCorrectionOperators.CorrectionData period (q + 1) (Set.Icc 0 S)) (KG : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.metric.coefficient t)) (KL : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.linear.coefficient t)) (KQ : (i : Fin 3) → (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q ((D.quadratic i).coefficient t)) (hGq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KG t)) (hLq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KL t)) (hQq : ∀ (i : Fin 3), Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KQ i t)) (hG : Continuous fun (t : (Set.Icc 0 S)) => (D.metric.coefficient t).operator) (N : ) (hN : N + 6 q + 1) (hNfull : q + 1 N + 6) (R : C((Set.Icc 0 S), )) (B : EulerCorrectionEnergyData.SpatialBudget period D N R) (K : EulerCorrectionEnergyData.MetricBudget period S D) (C Δ ρ0 : ) (hC : EulerCorrectionEnergyMajorants.combinedConstant period B K C) ( : 0 < Δ) (hΔ1 : Δ 1) (hρ0 : 0 < ρ0) (hdecay : 2 * C * (B.B0 + Δ) * S ρ0 / 2) (hscale : ρ0 * B.Rc 1) (hsmall : 2 * B.residual * Real.exp (3 * C * S) Δ / 2) (hR : ∀ (t : (Set.Icc 0 S)), R t = ρ0 - 2 * C * (B.B0 + Δ) * t) (ν : ) ( : 0 < ν) (hν1 : ν 1) (hz : ∀ (t : (Set.Icc 0 S)), EulerCylinderSobolevSpace.value period (D.approximation t) EulerLiftedGradientSpace.divergenceFreeSpace period D.κ D.direction) :

Concrete coefficient and residual bounds yield an actual viscous correction throughout the prescribed interval. The a-priori energy estimate and the continuation bound are proved inside this theorem, not supplied as hypotheses.

A genuine uniformly bounded viscous approximation family with a uniformly vanishing PDE viscosity term.

theorem EulerViscousCorrectionFamily.exists_viscous_correction_family (period : ) [Fact (0 < period)] {q : } (hq : 6 q) (S : ) (hS : 0 < S) (D : EulerCorrectionOperators.CorrectionData period (q + 1) (Set.Icc 0 S)) (KG : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.metric.coefficient t)) (KL : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.linear.coefficient t)) (KQ : (i : Fin 3) → (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q ((D.quadratic i).coefficient t)) (hGq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KG t)) (hLq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KL t)) (hQq : ∀ (i : Fin 3), Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KQ i t)) (hG : Continuous fun (t : (Set.Icc 0 S)) => (D.metric.coefficient t).operator) (N : ) (hN : N + 6 q + 1) (hNfull : q + 1 N + 6) (R : C((Set.Icc 0 S), )) (B : EulerCorrectionEnergyData.SpatialBudget period D N R) (K : EulerCorrectionEnergyData.MetricBudget period S D) (C Δ ρ0 : ) (hC : EulerCorrectionEnergyMajorants.combinedConstant period B K C) ( : 0 < Δ) (hΔ1 : Δ 1) (hρ0 : 0 < ρ0) (hdecay : 2 * C * (B.B0 + Δ) * S ρ0 / 2) (hscale : ρ0 * B.Rc 1) (hsmall : 2 * B.residual * Real.exp (3 * C * S) Δ / 2) (hR : ∀ (t : (Set.Icc 0 S)), R t = ρ0 - 2 * C * (B.B0 + Δ) * t) (hz : ∀ (t : (Set.Icc 0 S)), EulerCylinderSobolevSpace.value period (D.approximation t) EulerLiftedGradientSpace.divergenceFreeSpace period D.κ D.direction) :

The actual finite-cutoff correction has a viscosity approximation sequence with uniform energy control and a uniformly vanishing literal viscous term. This theorem does not assert convergence of the nonlinear solution sequence itself.

@[instance_reducible]

The inherited Sobolev normed-group instance for compactness.

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    @[instance_reducible]

    The inherited real Sobolev module instance for compactness.

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      theorem EulerGevreyInviscidEnergyCompactness.exists_gevrey_inviscid_energy_limit (period : ) [Fact (0 < period)] {q : } (hq : 6 q) (S : ) (hS : 0 < S) (D : EulerCorrectionOperators.CorrectionData period (q + 1) (Set.Icc 0 S)) (KG : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.metric.coefficient t)) (KL : (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q (D.linear.coefficient t)) (KQ : (i : Fin 3) → (t : (Set.Icc 0 S)) → EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q ((D.quadratic i).coefficient t)) (hGq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KG t)) (hLq : Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KL t)) (hQq : ∀ (i : Fin 3), Continuous fun (t : (Set.Icc 0 S)) => EulerSobolevCoefficientPressure.coefficientSobolevOperator period (KQ i t)) (hG : Continuous fun (t : (Set.Icc 0 S)) => (D.metric.coefficient t).operator) (N : ) (hN : N + 6 q + 1) (hNfull : q + 1 N + 6) (R : C((Set.Icc 0 S), )) (B : EulerCorrectionEnergyData.SpatialBudget period D N R) (K : EulerCorrectionEnergyData.MetricBudget period S D) (C Δ ρ0 : ) (hC : EulerCorrectionEnergyMajorants.combinedConstant period B K C) ( : 0 < Δ) (hΔ1 : Δ 1) (hρ0 : 0 < ρ0) (hdecay : 2 * C * (B.B0 + Δ) * S ρ0 / 2) (hscale : ρ0 * B.Rc 1) (hsmall : 2 * B.residual * Real.exp (3 * C * S) Δ / 2) (hR : ∀ (t : (Set.Icc 0 S)), R t = ρ0 - 2 * C * (B.B0 + Δ) * t) (hz : ∀ (t : (Set.Icc 0 S)), EulerCylinderSobolevSpace.value period (D.approximation t) EulerLiftedGradientSpace.divergenceFreeSpace period D.κ D.direction) :
      ∃ (u : C((Set.Icc 0 S), (EulerCylinderSobolevSpace.SobolevSpace period (q + 1)))) (e : C((Set.Icc 0 S), (EulerCylinderSobolevSpace.SobolevSpace period q))), (∀ (n : ), (u n) 0, = 0 (∀ (t : (Set.Icc 0 S)), EulerCylinderSobolevSpace.value period ((u n) t) EulerLiftedGradientSpace.divergenceFreeSpace period D.κ D.direction) (∀ (t : (Set.Icc 0 S)), (u n) t = EulerQuadraticSource.quadraticDuhamel period (EulerViscosityDefect.viscositySequence n) (EulerCorrectionOperators.CorrectionData.coefficients period (EulerCorrectionLowerData.lowerData period D KG KL KQ hGq hLq hQq) hq) 0 (u n) t) u n EulerGevreyMetricEstimate.metricAmplification K.c * (Δ / 2) / EulerPacketWeights.weight (min (ρ0 / 2) 1) N) Filter.Tendsto (fun (n : ) => (ContinuousLinearMap.compLeftContinuous (↑(Set.Icc 0 S)) (EulerCylinderSobolevSpace.truncateOperator period q)) (u n)) Filter.atTop (nhds e) e 0, = 0 (∀ (t : (Set.Icc 0 S)), EulerCylinderSobolevSpace.value period (e t) EulerLiftedGradientSpace.divergenceFreeSpace period D.κ D.direction) e EulerGevreyMetricEstimate.metricAmplification K.c * (Δ / 2) / EulerPacketWeights.weight (min (ρ0 / 2) 1) N PN, ∀ (hP : P + 6 q) (t : (Set.Icc 0 S)), EulerGevreyMetricEstimate.energyNorm period P hP (R t) ((EulerCorrectionEnergyData.MetricBudget.operatorPath period K) t) (e t) 2 * B.residual * Real.exp (3 * C * t) EulerGevreyMetricEstimate.energyNorm period P hP (R t) ((EulerCorrectionEnergyData.MetricBudget.operatorPath period K) t) (e t) Δ / 2

      The actual Gevrey correction construction produces its strong inviscid limit with both quantitative energy bounds at every retained cutoff. No convergence, compactness, energy inequality, or comparison estimate is supplied as a hypothesis.