The actual physical graph field is smooth. Its ordinary spatial derivative tensors are bounded by cylinder derivative words, with an explicit polynomial frequency loss.
noncomputable def
EulerCylinderPhysicalTensor.graphCoordinates
(k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
:
Graph coordinates, given by coordinateEquiv.symm.toContinuousLinearMap.comp (graphMap k m).
Equations
Instances For
theorem
EulerCylinderPhysicalTensor.coordinateEquiv_graphCoordinates
(k : ℝ)
(m x : EulerLiftedGradientSpace.Vector3)
:
EulerCylinderCoordinates.coordinateEquiv ((graphCoordinates k m) x) = (EulerGraphPullback.graphMap k m) x
noncomputable def
EulerCylinderPhysicalTensor.frequencyFactor
(k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
:
Frequency factor, given by ‖coordinateEquiv.symm.toContinuousLinearMap‖*(1+|k| * ‖m‖).
Equations
Instances For
theorem
EulerCylinderPhysicalTensor.frequencyFactor_nonneg
(k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
:
theorem
EulerCylinderPhysicalTensor.graphMap_norm_le
(k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
:
theorem
EulerCylinderPhysicalTensor.graphCoordinates_norm_le
(k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
:
noncomputable def
EulerCylinderPhysicalTensor.physicalField
(P k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
(f : EulerLiftedGradientSpace.LiftDomain P → EulerLiftedGradientSpace.Vector3)
:
Physical field, defined pointwise by f (cylinderGraph P k m x).
Equations
- EulerCylinderPhysicalTensor.physicalField P k m f x = f (EulerGraphPressurePotential.cylinderGraph P k m x)
Instances For
theorem
EulerCylinderPhysicalTensor.physicalField_contDiff
(P k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
(f : EulerLiftedGradientSpace.LiftDomain P → EulerLiftedGradientSpace.Vector3)
(hf : ∀ (x : EulerLiftedGradientSpace.LiftDomain P), ContDiff ℝ (↑⊤) (EulerMetricTransport.localFieldLift P f x))
:
ContDiff ℝ (↑⊤) (physicalField P k m f)
theorem
EulerCylinderPhysicalTensor.physicalTensor_norm_le
(P k : ℝ)
(m : EulerLiftedGradientSpace.Vector3)
(f : EulerLiftedGradientSpace.LiftDomain P → EulerLiftedGradientSpace.Vector3)
(hf : ∀ (x : EulerLiftedGradientSpace.LiftDomain P), ContDiff ℝ (↑⊤) (EulerMetricTransport.localFieldLift P f x))
(n : ℕ)
(x : EulerLiftedGradientSpace.Vector3)
:
‖iteratedFDeriv ℝ n (physicalField P k m f) x‖ ≤ frequencyFactor k m ^ n * ∑ w : Fin n → Fin 4,
‖EulerCylinderSobolev.iteratedFieldDerivative P w f (EulerGraphPressurePotential.cylinderGraph P k m x)‖