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LeanPool.ParameterFreeGradient.V7.ControllerStatements

Observable trial certification and amortized query bounds along the realized controller path.

structure V7.AnchorRunData (d : ℕ) :

The accepted index, trial estimates, points, and observations of the anchor search.

  • acceptedIndex : ℕ

    The index of the first accepted anchor test.

  • M : ℕ → ℝ

    The smoothness estimates examined by the anchor search.

  • D : ℕ → ℝ

    The distances examined by the anchor search.

  • y : ℕ → Point d

    The candidate anchor points.

  • trace : List (Observation d)

    The chronological oracle observations of the anchor search.

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    noncomputable def V7.normingDirection {d : ℕ} (q : ℝ) (g : Point d) :

    The normalized signed power vector that attains the dual norm pairing.

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      The norming direction has unit primal norm and attains the gradient's dual norm.

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        def V7.AnchorTest {d : ℕ} (oracle : PairOracle d) (x0 : Point d) (G D : ℝ) (y : Point d) :

        The candidate anchor achieves the required decrease from the initial point.

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          def V7.AnchorExecution {d : ℕ} (p : ℝ) (input : MethodInput d) (oracle : PairOracle d) (cached : CachedPair d) (run : AnchorRunData d) :

          The explicit dyadic ray search, including every rejected test and the first accepted test. These are algorithm-definition assumptions, not the named carrier's mathematical conclusions.

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            noncomputable def V7.AnchorStatement :

            U03/U13/U14/U19: source carrier for lem:anchor, keeping raw M0, accepted Ma, and Da distinct.

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              The smoothness and distance estimates at a controller visit.

              • M : ℝ

                The smoothness estimate at this visit.

              • D : ℝ

                The distance estimate at this visit.

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                def V7.VisitAt (visits : List ControllerVisit) (i : ℕ) (visit : ControllerVisit) :

                The specified visit occupies index i in the chronological controller path.

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                  def V7.ReportAt {d : ℕ} (reports : List (TrialReport d)) (i : ℕ) (report : TrialReport d) :

                  The specified trial report occupies index i in the report list.

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                    def V7.ControllerPath {d : ℕ} (G Ma Da : ℝ) (visits : List ControllerVisit) (reports : List (TrialReport d)) :

                    The initial visit and successive controller transitions agree with their trial reports.

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                      The realized visits form the permitted geometric sequence of scales and radii.

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                        The observable guard kind is available in the selected exponent regime.

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                          def V7.GuardLedgerComplete {d : ℕ} (p : ℝ) (report : TrialReport d) (schedule : List (ObservableGuardCheck d)) :

                          The complete schedule belongs to the specified local routine. An early success or first failure consumes a prefix; Radius is legal only after the entire regime-appropriate schedule has been checked.

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                            U15--U22: source carrier for prop:certification. Correctness, visited bounds, reset behavior, and realized-path accounting are distinct conjuncts.

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                              noncomputable def V7.localCostExponent (p : ℝ) :

                              The trial complexity exponent: one half below two, and p / (p + 2) above two.

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                                G01--G02: source carrier for lem:amortization. Both geometric sums range over the realized path, never a rectangular product grid.

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