Fractal uncertainty in higher dimensions

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Problem statement

Notes: Unavailable.

Source: A. Cohen, `Fractal uncertainty in higher dimensions`, Annals of Math, 202 (1) 2025. Statement taken from https://github.com/ImperialCollegeLondon/AnnalsChallenge (v1.0.0, e32eb14), AnnalsChallenge/AnnalsOfMathematics/2025-202-1-FractalUncertainty.lean

Informal solution: Unavailable.

theorem declaration uses `sorry`theorem_1_1 (ν : ℝ) (hν₀ : 0 < ν) : ∃ (β C : ℝ), β > 0 ∧ C > 0 ∧ ∀ (h : ℝ) (X Y : Set ℝᵈ) (hX : MeasurableSet X) (hY : MeasurableSet Y), h ∈ Set.Ioo 0 (1 / 100) → X ⊆ FractalUncertainty.cube (-1) 1 → FractalUncertainty.PorousOnBalls ν h 1 X → Y ⊆ FractalUncertainty.cube (-h⁻¹) h⁻¹ → FractalUncertainty.PorousOnLines ν 1 h⁻¹ Y → ∀ (f : Lp ℂ 2), (𝓕 f : Lp ℂ 2) =ᵐ[volume.restrict Yᶜ] 0 → (eLpNorm (X.indicator f) 2).toReal ≤ C * h ^ β * ‖f‖ := d:ℕν:ℝhν₀:0 < ν⊢ ∃ β C, β > 0 ∧ C > 0 ∧ ∀ (h : ℝ) (X Y : Set ℝᵈ), MeasurableSet X → MeasurableSet Y → h ∈ Set.Ioo 0 (1 / 100) → X ⊆ cube (-1) 1 → PorousOnBalls ν h 1 X → Y ⊆ cube (-h⁻¹) h⁻¹ → PorousOnLines ν 1 h⁻¹ Y → ∀ (f : ↥(Lp ℂ 2 volume)), ↑↑(𝓕 f) =ᵐ[volume.restrict Yᶜ] 0 → (eLpNorm (X.indicator ↑↑f) 2 volume).toReal ≤ C * h ^ β * ‖f‖ All goals completed! 🐙
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