OAI/NumberTheory/CubicMoment/Estimates/CubeRoughness.lean

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A finite prime-cover bound for restoring coprimality in the cube term.

  1. lemma OAI.CubicFirstMoment.norm_tsum_restriction_le_cover line 12
  2. theorem OAI.CubicFirstMoment.radial_cube_coprimality_error line 42

    Source documentation

    Restoring coprimality costs exactly the expected sum of reciprocal prime norms. The estimate is uniform over the lattice scale.

    theorem radial_cube_coprimality_error (W : ℝ → ℂ)
        (hW : HasCompactSupport W) (hW' : ContDiff ℝ ∞ W) :
        ∃ K : ℝ, 0 < K ∧ ∀ q : ℝ, 0 < q → ∀ a b : Eisenstein,
          primary a → Squarefree a → primary b → Squarefree b →
          ‖(∑' j : Eisenstein, if j = 0 then 0 else
              radialDualProfile W (q^3*(norm j)^3)) -
            (∑' j : Eisenstein, if j = 0 then 0 else
              (if IsCoprime a j ∧ IsCoprime b j then
                radialDualProfile W (q^3*(norm j)^3) else 0))‖ ≤
            K/q * ∑ p ∈ primaryPrimeFactors a ∪ primaryPrimeFactors b, 1/norm p := by
    …

    Mentions: OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.radialDualProfile, OAI.CubicFirstMoment.norm, OAI.CubicFirstMoment.primaryPrimeFactors