OAI/NumberTheory/CubicMoment/Estimates/ArbitraryHeightMean.lean

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Ordinary height means for arbitrary primary coefficient supports, including sharp norm cells and every translated angular mode.

  1. lemma OAI.CubicFirstMoment.continuous_finite_character_height line 13
  2. theorem OAI.CubicFirstMoment.finite_character_height_mean line 23

    Source documentation

    Exact norm-fiber cost for the finite family. Character factors can only reduce the coefficient energy.

    theorem finite_character_height_mean {C M T : ℝ}
        (hMV : MontgomeryVaughanBound C) (hC : 0 ≤ C) (hM : 0 ≤ M) (hT : 0 < T)
        (B H : Finset Eisenstein) (β : Eisenstein → ℂ) (Z : ℕ)
        (hB : ∀ b ∈ B, primary b)
        (hZ : ∀ b ∈ B, normNat b ∈ Finset.Icc 1 Z)
        (hmult : ∀ n ∈ Finset.Icc 1 Z, ((B.filter (fun b => normNat b = n)).card:ℝ) ≤ M)
        (ℓ : ℤ) (u : ℝ) :
        dyadicHeightMean (fun t => ∑ h ∈ H,
          ‖∑ b ∈ B, β b*cubicSymbol b h*theta ℓ b*mellinPhase (t+u) (norm b)‖^2) T ≤
          2*C*(1+(Z:ℝ)/T)*M*H.card*∑ b ∈ B, ‖β b‖^2 := by
    …

    Mentions: OAI.CubicFirstMoment.MontgomeryVaughanBound, OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.normNat, OAI.CubicFirstMoment.dyadicHeightMean, OAI.CubicFirstMoment.cubicSymbol, OAI.CubicFirstMoment.theta, OAI.CubicFirstMoment.mellinPhase, OAI.CubicFirstMoment.norm

  3. theorem OAI.CubicFirstMoment.arbitrary_primary_height_mean line 58

    Source documentation

    With no fixed number of prime factors, the proved primary norm-fiber bound gives an arbitrarily small length loss, uniformly in all twists.

    theorem arbitrary_primary_height_mean {C ε : ℝ}
        (hMV : MontgomeryVaughanBound C) (hC : 0 ≤ C) (hε : 0 < ε) :
        ∃ D : ℝ, 0 < D ∧ ∀ (B H : Finset Eisenstein) (β : Eisenstein → ℂ) (Z : ℕ),
          (∀ b ∈ B, primary b) → (∀ b ∈ B, normNat b ∈ Finset.Icc 1 Z) →
          ∀ (ℓ : ℤ) (u T : ℝ), 0 < T →
          dyadicHeightMean (fun t => ∑ h ∈ H,
            ‖∑ b ∈ B, β b*cubicSymbol b h*theta ℓ b*mellinPhase (t+u) (norm b)‖^2) T ≤
            2*C*D*(1+(Z:ℝ)/T)*(Z:ℝ)^ε*H.card*∑ b ∈ B, ‖β b‖^2 := by
    …

    Mentions: OAI.CubicFirstMoment.MontgomeryVaughanBound, OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.normNat, OAI.CubicFirstMoment.dyadicHeightMean, OAI.CubicFirstMoment.cubicSymbol, OAI.CubicFirstMoment.theta, OAI.CubicFirstMoment.mellinPhase, OAI.CubicFirstMoment.norm