Smooth attachment at the native dyadic band boundaries #
The dyadic profile is flat at its support endpoints, although it does not have a zero germ there. Local smoothness of the actual raw primary is proved from the fixed prepared family before using that flatness.
Native: an abbreviation for WaveEdgeExtension.NativePoint.
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Slow type used in native band extension.
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Use the entrywise matrix norm inherited from the finite function space.
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Scalar multiplication is the pointwise real vector-space structure on matrices.
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All actual tensors vanish at a closure point of an open zero region, provided the function is locally smooth at that point.
Flatness of a scalar function survives an actual smooth pullback.
A flat scalar factor kills every tensor of the actual smooth product.
Local smoothness from the actual matrix and phase construction #
Native Q, given by SimilarityCoordinates.coordinateQ (2 * h) (x.1.2.2, x.1.2.1).
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- NavierStokes.NativeBandExtension.nativeQ h x = NavierStokes.SimilarityCoordinates.coordinateQ (2 * h) (x.1.2.2, x.1.2.1)
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The actual Cramer square root and actual homogeneous ODE pulse are smooth at a strict-cone point, regardless of which side of a band boundary the neighboring points occupy.
The same fixed prepared family at the closed band endpoints #
These are precisely the closed-reference zeroth-order bounds of the already selected family. No new family or frequency threshold is selected.
- gap : ℝ
Gap of
ClosedMargins, of typeℝ. - entry : ℝ
Entry of
ClosedMargins, of typeℝ. - lower : ℝ
Lower of
ClosedMargins, of typeℝ. - covariance (L : PrimaryGeometryAssembly.Index W a.N) (p : Slow) : p ∈ PositiveRepresentatives.positivePart (PrimaryGeometryAssembly.referenceSet W) → p ∈ (PrimaryGeometryAssembly.domain W a.N).carrier L → PrimaryCovarianceBounds.ZeroOrderBounds (√(ChartScales.S (BaseChartJets.cellBand L))) self.gap self.entry self.lower (PrimaryTargetBounds.movingWeight W p) (PrimaryTargetBounds.preparedCovariance H v a vr vt L p) fun (k : Fin 2) => (PrimaryTargetBounds.actualTarget v p).ofLp k
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Base velocity, constructed using primaryVelocity.
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Base pressure, constructed using phasePressure.
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Outer factor, constructed using outerCutoff.
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Band velocity, given by outerFactor H v a L x • baseVelocity H v a hr0 vr vt j L x.
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Band pressure, given by outerFactor H v a L x • basePressure H v a hr0 vr vt j L x.
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Radial interior, constructed using WaveEdgeExtension.windowDomain.
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The full open radial domain, preserving the original native growth function exactly and adding the flat band/transverse boundary points.
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Flat boundary points, unlike zero germs, can be covered by their proved local smoothness and exact zero tensors. Uniform constants are unchanged.
Uniform bounds and the final radial attachment #
Envelope, given by pulseEnvelope (PrimaryGeometryAssembly.construction H v a hr0) (ActualSignedGeometry.pulseCoordinates H v a) j.
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Velocity weight, constructed using Real.sqrt.
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Pressure weight, constructed using ChartScales.epsilon.
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After filling the flat band boundary, the radial attachment theorem applies at both radial edges, including their intersections with band edges.
Pre outer velocity, given by (SquaredPartition.dyadicProfile (nativeQ F.data.h x) * PartitionedCovariance.cutoff r0 x.2.1) • baseVelocity H v a hr0 vr vt j L x.
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Pre outer pressure, given by (SquaredPartition.dyadicProfile (nativeQ F.data.h x) * PartitionedCovariance.cutoff r0 x.2.1) • basePressure H v a hr0 vr vt j L x.
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Applying the intended Gaussian after attachment still applies that Gaussian exactly once: the outer slot cutoff is one on its support.
The endpoint consumed by the actual initialization: only the already proved raw interior jet estimates and the fixed family's closed margins enter. The outer time cutoff and all boundary regularity are derived here.
The band boundary tensors remain zero after the radial attachment, including the intersections of the band and radial boundaries.