OAI/NumberTheory/CubicMoment/Estimates/PrimarySparseMoment.lean

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Sparse coefficient energy in the balanced conductor region. The pair multiplicity is bounded using actual primary divisors, with no restriction on the number of prime bases.

  1. lemma OAI.CubicFirstMoment.primary_pair_fiber_power line 14
  2. theorem OAI.CubicFirstMoment.primary_mixed_fourth_moment line 41
  3. lemma OAI.CubicFirstMoment.balancedPrimary_power line 57
  4. theorem OAI.CubicFirstMoment.primary_balanced_sparse_moment line 88

    Source documentation

    The sparse coefficient energy and the primary divisor bound suffice for the actual balanced mixed-character second moment.

    theorem primary_balanced_sparse_moment
        (hHuxley : HuxleyAdditiveLargeSieve) {θ : ℝ}
        (hθ : 0 < θ) (hθ₁ : θ ≤ 1) :
        ∃ C : ℝ, 0 < C ∧ ∀ (Y E : ℝ), 1 ≤ Y → 0 ≤ E →
          ∀ B : Finset Eisenstein,
          (∀ b ∈ B, primary b ∧ norm b ≤ Y) →
          ∀ P : Finset (Eisenstein × Eisenstein),
          (∀ p ∈ P, PrimarySquarefreePair p ∧
            norm p.1 ≤ Y^(1/3+θ/16) ∧ norm p.2 ≤ Y^(1/3+θ/16)) →
          ∀ v : Eisenstein → ℂ, (∑ b ∈ B, ‖v b‖^2) ≤ E*Y^(1-θ) →
          (∑ p ∈ P, ‖∑ b ∈ B, v b*mixedCubic p.1 p.2 b‖^2) ≤
            C*Y^(7/3-θ/2)*E := by
    …

    Mentions: OAI.CubicFirstMoment.HuxleyAdditiveLargeSieve, OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.norm, OAI.CubicFirstMoment.PrimarySquarefreePair, OAI.CubicFirstMoment.mixedCubic