OAI/Analysis/LipschitzHilbert/Fourier/DyadicLineCarleson.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

The actual maximal bad intervals satisfy the finite Carleson bound.

  1. theorem OAI.LipschitzHilbert.DyadicLineGrid.maximal_bad_carleson line 17
  2. theorem OAI.LipschitzHilbert.DyadicLineGrid.maximal_bad_carleson_restricted line 45

    Source documentation

    Restricting a finite family of occurrences to any finite-measure test set preserves the same Carleson constant.

    theorem maximal_bad_carleson_restricted {ι B : Type*} [Fintype ι]
        (q top : ℤ) (f : B → ℝ → ℝ) (bin : ι → B) (level pos : ι → ℤ)
        (hunique : ∀ i j, bin i = bin j → level i = level j → pos i = pos j → i = j)
        {β C : ℝ} (hβ : 0 < β)
        (hmax : ∀ i, MaximalBad q top (Bad q (f (bin i)) β) (level i) (pos i))
        (hf : ∀ b, Measurable (f b)) (hbound : ∀ b x, 0 ≤ f b x ∧ f b x ≤ 1)
        (hsum : ∀ s : Finset B, ∀ x, (∑ b ∈ s, f b x) ≤ C)
        {P : Set ℝ} (hP : MeasurableSet P) (hPfinite : volume P ≠ ∞) :
        (∑ i, if cell q (level i) (pos i) ⊆ P then volume.real (cell q (level i) (pos i)) else 0) ≤
          (C / β) * volume.real P := by
    …

    Mentions: OAI.LipschitzHilbert.DyadicLineGrid.MaximalBad, OAI.LipschitzHilbert.DyadicLineGrid.Bad, OAI.LipschitzHilbert.DyadicLineGrid.cell