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LeanPool.NavierStokesAndEuler.Euler.GevreyUniformConstants

Explicit cutoff-independent coefficient and inverse constants in the nonlinear correction estimate.

The fixed H⁶ coefficient block is bounded by 448 times the base coefficient bound.

theorem EulerGevreyUniformConstants.weightedCoefficient_le (period : ℝ) {s : ℕ} {A : EulerSpatialSobolevInverse.SmoothCoefficient period} (K : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection s A) (N : ℕ) (ρ Rc : ℝ) (hρ : 0 < ρ) (hRc : 0 ≤ Rc) (hsmall : ρ * Rc ≤ 1 / 2) (hcoeff : ∀ (l : ℕ), 1 ≤ l → l ≤ N → EulerH6Pressure.coefficientBlock period K 6 l ≤ Rc ^ l * ↑l.factorial ^ 2) :

The finite weighted coefficient sum is bounded by its base block and a geometric tail.

theorem EulerGevreyUniformConstants.weightedCoefficient_uniform (period : ℝ) {s : ℕ} {A : EulerSpatialSobolevInverse.SmoothCoefficient period} (K : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection s A) (N : ℕ) (ρ Rc L : ℝ) (hρ : 0 < ρ) (hRc : 0 ≤ Rc) (hsmall : ρ * Rc ≤ 1 / 2) (hL : ∀ r ≤ 6, EulerJetProductBounds.boundLevel period K r ≤ L) (hcoeff : ∀ (l : ℕ), 1 ≤ l → l ≤ N → EulerH6Pressure.coefficientBlock period K 6 l ≤ Rc ^ l * ↑l.factorial ^ 2) :

Under the fixed geometric smallness condition the coefficient multiplier bound is independent of N.

theorem EulerGevreyUniformConstants.pressureConstant_le_six (period : ℝ) {q : ℕ} (hq : q ≤ 6) {A : EulerSpatialSobolevInverse.SmoothCoefficient period} (K : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection q A) (c L : ℝ) (hc : 0 < c) (hL : 1 ≤ L) (hcL : c⁻¹ ≤ L) (hcoeff : ∀ r ≤ q, EulerJetProductBounds.boundLevel period K r ≤ L) :
K.pressureConstant c ≤ (9 * L) ^ 729

One explicit polynomial bounds every coercive inverse at base order at most six.

Both fixed inverse orders needed by the actual pressure forcing have the same cutoff-independent polynomial bound.