OAI/NumberTheory/JointDickman/Amplification/NearCofactorMean.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Near-zero cancellation for the actual soft-masked cofactor means

  1. lemma OAI.JointDickman.halasz_phase_factor_decay line 10
  2. lemma OAI.JointDickman.halasz_phase_mean_norm line 20
  3. theorem OAI.JointDickman.near_zero_masked_mean line 33

    Source documentation

    Near-twist renormalization gives reciprocal-frequency cancellation around zero, uniformly in the deleted small-prime set.

    theorem near_zero_masked_mean : ∃ C : ℝ, 0 < C ∧
        ∀ᶠ N : ℕ in atTop, ∀ F : ℕ → ℂ,
          F 1 = 1 → Multiplicative F → OneBounded F →
          ∀ Q : Finset ℕ, (∀ p ∈ Q, p.Prime) →
          (∀ p ∈ Q, (p:ℝ) ≤ Real.exp (Real.sqrt (Real.log N))) →
          squaredDistance F (mrtArchimedeanTwist 0) N ≤ Real.log (Real.log N)/8 →
          ∀ t : ℝ, |t| ≤ (Real.log N)^((1:ℝ)/16) →
          ‖halaszPhaseMean (mrtMissingCoefficient F Q) t N‖ ≤
            (2/(1+|t|)+C*(Real.log N)^(-(1:ℝ)/16))*N := by
    …
  4. theorem OAI.JointDickman.near_zero_count_prefix line 72

    Source documentation

    The reciprocal prime-count denominator is handled by its exact integral of multiplicative soft masks, with no loss near frequency zero.

    theorem near_zero_count_prefix : ∃ C : ℝ, 0 < C ∧
        ∀ᶠ N : ℕ in atTop, ∀ F : ℕ → ℂ,
          F 1 = 1 → Multiplicative F → OneBounded F →
          ∀ Q P : Finset ℕ, (∀ p ∈ Q, p.Prime) → (∀ p ∈ P, p.Prime) →
          (∀ p ∈ Q, (p:ℝ) ≤ Real.exp (Real.sqrt (Real.log N))) →
          squaredDistance F (mrtArchimedeanTwist 0) N +
            (∑ p ∈ P, 1/(p:ℝ)) ≤ Real.log (Real.log N)/8 →
          ∀ t : ℝ, |t| ≤ (Real.log N)^((1:ℝ)/16) →
          ‖∑ n ∈ Icc 1 N,
            (mrtMissingCoefficient F Q n * conj (mrtArchimedeanTwist t n))/
              ((finitePrimeDivisorCount P n:ℂ)+1)‖ ≤
            (2/(1+|t|)+C*(Real.log N)^(-(1:ℝ)/16))*N := by
    …