OAI/NumberTheory/CubicMoment/Estimates/PrimaryNormMultiplicity.lean

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Rational norm fibers of arbitrary primary elements. An element of norm n divides the rational integer n in the Eisenstein ring. Thus the proved ideal divisor bound supplies the small multiplicity loss required by the ordinary Montgomery--Vaughan input, without any prime-factor restriction.

  1. lemma OAI.CubicFirstMoment.primary_dvd_of_normNat_eq line 16
  2. lemma OAI.CubicFirstMoment.norm_natCast_eisenstein line 21
  3. theorem OAI.CubicFirstMoment.primary_norm_fiber_small_power line 26

    Source documentation

    Uniform small-power bound for positive rational norm fibers.

    theorem primary_norm_fiber_small_power {ε : ℝ} (hε : 0 < ε) :
        ∃ C : ℝ, 0 < C ∧ ∀ (T : Finset Eisenstein),
          (∀ b ∈ T, primary b) → ∀ n : ℕ, 0 < n →
          ((T.filter (fun b => normNat b = n)).card:ℝ) ≤ C*(n:ℝ)^ε := by
    …

    Mentions: OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.normNat

  4. lemma OAI.CubicFirstMoment.primary_norm_fiber_length_bound line 45
  5. theorem OAI.CubicFirstMoment.primary_angular_meanSquare line 58

    Source documentation

    The actual primary angular polynomial satisfies the ordinary height mean with only an arbitrarily small norm-length loss.

    theorem primary_angular_meanSquare {ε C : ℝ} (hε : 0 < ε)
        (hMV : MontgomeryVaughanBound C) (hC : 0 ≤ C) :
        ∃ D : ℝ, 0 < D ∧ ∀ (T : Finset Eisenstein), (∀ b ∈ T, primary b) →
          ∀ (v : Eisenstein → ℂ) (Z : ℕ),
          (∀ b ∈ T, normNat b ∈ Finset.Icc 1 Z) → ∀ (ℓ : ℤ) (u a b : ℝ), a ≤ b →
          (∫ t in a..b, ‖∑ c ∈ T, v c*theta ℓ c*mellinPhase (t+u) (norm c)‖^2) ≤
            C*(b-a+Z)*(D*(Z:ℝ)^ε)*(∑ c ∈ T, ‖v c‖^2) := by
    …

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