High-contrast homogenization: #
Provider.PolynomialHomogenization.Root.CorrectorDecay.IdentitySuccessorRecurrence
Imported from the Apache-2.0 HighContrastHomogenization development at commit
7a13dbcd8d6609264a713373f5c69ceeac870472.
theorem
HCPolySupport.HighContrast.exists_identityGaugeSuccessorRecurrenceConstant
(d : ℕ)
[NeZero d]
(g : ℝ)
(geom : RoundedGenerationAnalyticGeometry d)
(hg : g ∈ Set.Ico 0 1)
(hdual : PrintOrderRoundedReferenceDualRegularityAtGeneration d g geom.generation)
:
∃ (C : ℝ),
1 ≤ C ∧ ∀ (aGauge : CoeffSpace d) (hI : Matrix.PosDef (symmPart 1)) (aIdentity : Book.Ch03.CoeffFamily d),
(∀ (Q : TriadicCube d), (aIdentity.coeffOn Q).toCoeffField = ↑↑(geom.centeredCoeffSpace 1 hI aGauge)) →
∀ (q m : ℤ) (e : Vec d),
q ≤ m - 1 - 2 →
ScalarIdentityGoodMaxOnInterval aIdentity (printCertificateOrder g) 1 q (m - 1 - 2) →
∀ h ∈ Finset.Icc q (m - 1 - 2),
finiteCenteredCubeSolutionEnergy aIdentity (m - 1 - 2) (successorInnerRestriction aIdentity m e) h ≤ C * finiteCenteredCubeSolutionEnergy aIdentity (m - 1 - 2) (successorInnerRestriction aIdentity m e)
(m - 1 - 2) + C * ∑ j ∈ Finset.Ioc h (m - 1 - 2),
scalarIdentityWeakError aIdentity (printCertificateOrder g) j * finiteCenteredCubeSolutionEnergy aIdentity (m - 1 - 2)
(successorInnerRestriction aIdentity m e) j
The available selected-generation recurrence, specialized to an exact identity-gauge family and to the successor restriction.