Exact identification of the limiting actual metric forcing with the seven spatial correction terms.
theorem
EulerEnergyForcingIdentity.transportOperator_of_value_eq
(period : ℝ)
[Fact (0 < period)]
{p q : ℕ}
(hp : 3 ≤ p)
(hq : 3 ≤ q)
(κ : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
(u : ↥(EulerCylinderSobolevSpace.SobolevSpace period p))
(v : ↥(EulerCylinderSobolevSpace.SobolevSpace period q))
(huv : EulerCylinderSobolevSpace.value period u = EulerCylinderSobolevSpace.value period v)
(e : ↥(EulerCylinderSobolevSpace.SobolevSpace period 1))
:
(EulerSobolevMetricTransport.transportOperator period hp κ m u) e = (EulerSobolevMetricTransport.transportOperator period hq κ m v) e
The actual H¹→L² transport depends only on the underlying velocity field, independently of its Sobolev order.
theorem
EulerEnergyForcingIdentity.metric_topTransport
(period : ℝ)
[Fact (0 < period)]
{s N : ℕ}
(hs : 6 ≤ s)
(hN : N + 6 ≤ s)
(κ : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
(z : ↥(EulerCylinderSobolevSpace.SobolevSpace period s))
(u v : ↥(EulerCylinderSobolevSpace.SobolevSpace period (s + 1)))
(hzu : EulerCylinderSobolevSpace.value period z = EulerCylinderSobolevSpace.value period u)
(I : EulerGevreyMetricComparison.ExternalWord N)
(a : EulerBaseWordMetric.BaseWord 6)
:
(EulerSobolevMetricTransport.transportOperator period ⋯ κ m z)
((EulerMildTopWord.boundedWordBlock period 1 (EulerEnergyWordCoordinates.energyLength I a) ⋯
(EulerEnergyWordCoordinates.energyWord I a))
v) = EulerGevreyDifferentiatedEquation.topTransport period N hN (EulerSobolevTransport.velocityComponents κ m) u v I a
The literal metric transport of a concatenated energy word is exactly the top transport in the spatial telescope.
theorem
EulerEnergyForcingIdentity.energyValues_neg
(period : ℝ)
[Fact (0 < period)]
{s : ℕ}
(q N : ℕ)
(hN : N + q ≤ s)
(u : ↥(EulerCylinderSobolevSpace.SobolevSpace period s))
(I : EulerGevreyMetricComparison.ExternalWord N)
(a : EulerBaseWordMetric.BaseWord q)
:
EulerGevreyMetricComparison.energyValues period q N hN (-u) I a = -EulerGevreyMetricComparison.energyValues period q N hN u I a
Negating a genuine Sobolev field negates every exact external/base energy word.
theorem
EulerEnergyForcingIdentity.forcing_word_telescope
(period : ℝ)
[Fact (0 < period)]
{s : ℕ}
(hs : 6 ≤ s)
{A : EulerSpatialSobolevInverse.SmoothCoefficient period}
(K : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection s A)
(K0 : EulerSpatialSobolevInverse.CoefficientJet period EulerCylinderSobolev.standardDirection 6 A)
(N : ℕ)
(hN : N + 6 ≤ s)
(κ : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
(hL : ∀ (i : Fin 4), ‖EulerSobolevTransport.velocityComponents κ m i‖ ≤ 1)
(z : ↥(EulerCylinderSobolevSpace.SobolevSpace period s))
(u v : ↥(EulerCylinderSobolevSpace.SobolevSpace period (s + 1)))
(hzu : EulerCylinderSobolevSpace.value period z = EulerCylinderSobolevSpace.value period u)
(f p0 p1 : ↥(EulerCylinderSobolevSpace.SobolevSpace period s))
(I : EulerGevreyMetricComparison.ExternalWord N)
(a : EulerBaseWordMetric.BaseWord 6)
:
EulerCylinderSobolevSpace.word period
(-(((EulerSobolevTransport.transportBilinear period hs (EulerSobolevTransport.velocityComponents κ m) hL) u) v + f - (EulerSobolevCoefficientPressure.coefficientSobolevOperator period K) p0 - (EulerSobolevCoefficientPressure.coefficientSobolevOperator period K) p1))
⋯ (EulerEnergyWordCoordinates.energyWord I a) + (EulerSobolevMetricTransport.transportOperator period ⋯ κ m z)
((EulerMildTopWord.boundedWordBlock period 1 (EulerEnergyWordCoordinates.energyLength I a) ⋯
(EulerEnergyWordCoordinates.energyWord I a))
v) + A.operator (EulerCylinderSobolevSpace.word period (-(p0 + p1)) ⋯ (EulerEnergyWordCoordinates.energyWord I a)) = EulerGevreyCorrectionForcing.correctionForcing period hs K K0 N hN (EulerSobolevTransport.velocityComponents κ m) hL u
v f p0 p1 I a
The actual source-plus-transport-plus-signed-pressure forcing equals precisely the seven correction terms.