Native reference data from the actual common-cover state #
The current state at the reference band still uses that band's common cover. The reference Volterra geometry, on the other hand, uses the native cover. This file changes the free auxiliary coordinate before forming the reference source. The change acts on the entire current residual, including its Gaussian and alias inputs.
A single deck shift of the actual particular solve #
Only invariance under the specified lattice vector is assumed. Equality of the actual anchored coefficient and forcing paths gives equality of the Volterra solves, and a bijective copy reindexing gives the same symmetry of the periodized velocity and pressure.
Translation of the copy index is a bijection; there is no multiplicity factor when passing from the individual solves to the common field.
With a compact cutoff, both fields are genuine finite sums over the same copy set at the specified point.
The inherited sublattice, without a unit-lattice assertion #
Periodicity on the image of the integer lattice under the d-fold cover. The parameter is fixed throughout the statement.
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The actual inverse-cover pullback of a source.
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Pushing a sublattice-periodic field back through the same cover recovers the corresponding unit-lattice shift.
A single symmetry of the original source yields precisely the transported symmetry of the solved inverse-cover source.
Pullback of the actual state through an invertible linear map #
Pull field, defined pointwise by f n (e x).
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- NavierStokes.ActualReferenceRebase.pullField e f n x = f n (e x)
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Pull triple, given by ⟨pullField e v.radial, pullField e v.angular, pullField e v.axial⟩.
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Pull operators, bundling epsilon, radialFrequency, fastCoefficient, radius and the
required compatibility proofs.
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Pull context, bundling operators, base, virtualTheta, virtualAxial.
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Pull oscillation, defined pointwise by u n (e x.1, x.2).
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- NavierStokes.ActualReferenceRebase.pullOscillation e u n x = u n (e x.1, x.2)
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Pull errors, given by ⟨pullOscillation e u.base, pullOscillation e u.gaussian, pullOscillation e u.aliasError⟩.
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Pull state, bundling mean, pressure, oscillation, oscillatoryPressure and the
required compatibility proofs.
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Pull coefficients, given by AddMonoidAlgebra.ofCoeff (Finsupp.mapRange (fun f : E → ℂ => fun x => f (e x)) rfl a.coeff).
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- NavierStokes.ActualReferenceRebase.pullCoefficients e a = AddMonoidAlgebra.ofCoeff (Finsupp.mapRange (fun (f : E → ℂ) (x : D) => f (e x)) ⋯ a.coeff)
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Pull block, bundling velocity, pressure, frequency, phase and the required
compatibility proofs.
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Pull block coefficients, defined pointwise by pullCoefficients e (a n i).
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Pull frame, bundling radius, radial, axial, time and the required compatibility
proofs.
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The full residual, rather than only its on-graph values, is pulled back. No carrier nondegeneracy or differentiability premise is needed.
Pull strip, bundling domain, isOpen_domain, epsilon, epsilon_pos and the required
compatibility proofs.
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Pull wave, bundling radius, radialBase, frequencyBase, axialBase and the required
compatibility proofs.
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Pull directions, bundling radial, auxiliary, axial, angular and the required
compatibility proofs.
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A separate, genuine native-reference assembly #
Inverse cover, given by (ContinuousLinearEquiv.refl ℝ P).prodCongr (coverPower k).symm.
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All fields, all directions and the complete source are expressed in the native fast coordinate. This assembly is only a reference view; the target solver keeps its original common-cover data.
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Binding to the one actual initializer choice and current cycle state #
Reference residual source as an element of PhysicalResidualNaturality.Associated → ComplexVector.
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Native assembly, given by rebaseAssembly (ActualParticularStageControls.assembly x l) (ActualParticularStageControls.gap l (BaseChartJets.cellBand l.2)).
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The native reference has its own actual frame and phase.
Dependence of a copy solve on one complete parameter fiber #
Actual common-band comparison, without truncated reverse gaps #
Common reference chart as an element of PhysicalResidualNaturality.Associated ≃L[ℝ] PhysicalResidualNaturality.Associated.
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This consumes exactly the full-fiber state and block conclusions of the physical recurrence. It does not assume source or solved-wave coherence.
The reference operator identities hold on the entire free lift.
Angle embed, given by ((v.1, 0), v.2).
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Reverse index order and the original recurrence interface #
State comparison type used in actual reference rebase.
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Block comparison type used in actual reference rebase.
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Regularity and support are transported, not postulated anew #
The unchanged target solve uses this native reference #
The literal current-source common coefficient in the actual stage.
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The full carrier uses the same rebase, including the angular integer.
Precisely the inherited lattice is retained.