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LeanPool.NavierStokesAndEuler.Euler.UnshiftedProducts

Actual unshifted Gevrey product and lower-pressure estimates with constants independent of truncation.

theorem EulerWeightedConvolution.unshifted_product_term (ρ : ℝ) (hρ : 0 < ρ) (j l : ℕ) (a b : ℝ) (ha : 0 ≤ a) (hb : 0 ≤ b) :

The ordinary Gevrey-two product weight is submultiplicative after paying the binomial coefficient.

theorem EulerWeightedConvolution.unshifted_product_sum (ρ : ℝ) (hρ : 0 < ρ) (N : ℕ) (A B : ℕ → ℝ) (hA : ∀ (n : ℕ), 0 ≤ A n) (hB : ∀ (n : ℕ), 0 ≤ B n) :

The actual binomial product convolution is bounded in unshifted Gevrey sums with constant one.

The actual scalar-vector product is bounded in every finite unshifted H⁶ Gevrey sum.

The actual transport source in H⁵ is bounded by H⁶ energies at the same external cutoff.

theorem EulerH6Pressure.multiply_block_weighted_bound (period : ℝ) [Fact (0 < period)] {directions : Fin 4 → EulerLiftedGradientSpace.LiftTangent} {s q : ℕ} {A : EulerSpatialSobolevInverse.SmoothCoefficient period} {f : ↥(EulerLiftedGradientSpace.LiftL2 period)} (K : EulerSpatialSobolevInverse.CoefficientJet period directions s A) (J : EulerSpatialSobolevInverse.SpatialJet period directions s f) (N : ℕ) (hN : N + q ≤ s) (ρ : ℝ) (hρ : 0 < ρ) :

Actual coefficient multiplication has its unshifted weighted fixed-Sobolev bound.