OAI/NumberTheory/CubicMoment/Estimates/RoughProductPairs.lean

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Exact collection of the original rough-product divisor expansion as independent primary factors, with the original product support.

  1. theorem OAI.CubicFirstMoment.roughProduct_primary_factor_pair line 13
  2. theorem OAI.CubicFirstMoment.roughProduct_finite_factor_pairs line 34

    Source documentation

    The original finite support is kept as an exact product predicate. There is no coprimality assumption or replacement of its sharp cutoff.

    theorem roughProduct_finite_factor_pairs (S : Finset Eisenstein) (X : ℝ)
        (hS : ∀ n ∈ S, primary n ∧ Squarefree n ∧ norm n ≤ X)
        (ψ : ℝ → ℝ) (w : ℝ) (K : Eisenstein → ℂ) :
        (∑ n ∈ S, (roughProduct ψ w n:ℂ)*K n) =
          ∑ d ∈ primaryElementBall X, ∑ e ∈ primaryElementBall X,
            if d*e ∈ S then cutoffMoebius ψ w d*K (d*e) else 0 := by
    …

    Mentions: OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.norm, OAI.CubicFirstMoment.roughProduct, OAI.CubicFirstMoment.primaryElementBall, OAI.CubicFirstMoment.cutoffMoebius