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LeanPool.NavierStokesAndEuler.Euler.WeightedForcingAlgebra

Related estimates used together by the same construction modules.

Exact triangle inequalities for the actual finite Hilbert forcing families.

Triangle inequality for the root-of-sum-of-squares norm of actual finite Hilbert families.

Signs do not change the genuine Hilbert family norm.

theorem EulerWeightedForcingAlgebra.weightedForcingSum_add_le {α : Type u_1} {β : Type u_2} {H : Type u_3} [Fintype α] [Fintype β] [NormedAddCommGroup H] (ρ : ) ( : 0 < ρ) (order : α) (f g : αβH) :

Weighted forcing is subadditive without any cardinality factor.

theorem EulerWeightedForcingAlgebra.weightedForcingSum_neg {α : Type u_1} {β : Type u_2} {H : Type u_3} [Fintype α] [Fintype β] [NormedAddCommGroup H] (ρ : ) (order : α) (f : αβH) :

Weighted forcing is invariant under the overall sign.

theorem EulerWeightedForcingAlgebra.weightedForcingSum_sum_le {α : Type u_1} {β : Type u_2} {H : Type u_3} [Fintype α] [Fintype β] [NormedAddCommGroup H] {ι : Type u_4} (ρ : ) ( : 0 < ρ) (order : α) (S : Finset ι) (f : ιαβH) :

The forcing norm of a sum is controlled by the sum of the norms of its actual terms.

Complete finite-cutoff pressure commutator bounds for both actual source components.

Monotonicity of the actual coefficient derivative blocks in their fixed Sobolev index.

theorem EulerGevreyPressureEnergy.nonlinear_externalPressure_bound_all (period : ) [Fact (0 < period)] {s : } (hs : 6 s) {A : EulerSpatialSobolevInverse.SmoothCoefficient period} (K : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection s A) (κ : ) (m : EulerLiftedGradientSpace.Vector3) (c : ) (hc : 0 < c) (hpos : ∀ (x : EulerLiftedGradientSpace.LiftDomain period) (v : EulerLiftedGradientSpace.Vector3), c * v ^ 2 inner ((A.coefficient x) v) v) (N : ) (hN : N + 6 s) (ρ Rc M : ) ( : 0 < ρ) (hRc : 0 Rc) (hM : 1 M) (hbase : (EulerH6Pressure.CoefficientJet.restrict K 6 hs).pressureConstant c M) (hsmall : 4 * M * (ρ * Rc) 1) (hcoeff : ∀ (l : ), 1 ll NEulerH6Pressure.coefficientBlock period K 6 l Rc ^ l * l.factorial ^ 2) (L : Fin 4EulerLiftedGradientSpace.Vector3 →L[] ) (hL : ∀ (i : Fin 4), L i 1) (u v : (EulerCylinderSobolevSpace.SobolevSpace period (s + 1))) :

The actual nonlinear external pressure commutator bound includes the zero-cutoff case.

theorem EulerGevreyPressureEnergy.nonlinear_basePressure_bound (period : ) [Fact (0 < period)] {s : } (hs : 6 s) {A : EulerSpatialSobolevInverse.SmoothCoefficient period} (K : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection s A) (K0 : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection 6 A) (κ : ) (m : EulerLiftedGradientSpace.Vector3) (c : ) (hc : 0 < c) (hpos : ∀ (x : EulerLiftedGradientSpace.LiftDomain period) (v : EulerLiftedGradientSpace.Vector3), c * v ^ 2 inner ((A.coefficient x) v) v) (N : ) (hN : N + 6 s) (ρ Rc M : ) ( : 0 < ρ) (hRc : 0 Rc) (hM : 1 M) (hbase : (EulerH6Pressure.CoefficientJet.restrict K 5 ).pressureConstant c M) (hsmall : 4 * M * (ρ * Rc) 1) (hcoeff : ∀ (l : ), 1 ll NEulerH6Pressure.coefficientBlock period K 6 l Rc ^ l * l.factorial ^ 2) (L : Fin 4EulerLiftedGradientSpace.Vector3 →L[] ) (hL : ∀ (i : Fin 4), L i 1) (u v : (EulerCylinderSobolevSpace.SobolevSpace period (s + 1))) :

Actual base transport-pressure commutators are bounded by the product of the two velocity energies at the same cutoff.

Both actual commutators of the order-zero pressure are controlled by the unshifted source norm.