OAI/NumberTheory/CubicMoment/Estimates/LargestPrimeReindex.lean

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Exact unordered largest-prime reindexing of finite squarefree primary sums. The free-prime/complement representation has multiplicity one.

  1. lemma OAI.CubicFirstMoment.largestPrime_product_unique line 14
  2. theorem OAI.CubicFirstMoment.sum_largestPrime_reindex line 44

    Source documentation

    A finite nonsmooth sum has exactly one free-largest-prime term for each original integer. Membership of the original support is retained.

    theorem sum_largestPrime_reindex (D : Finset Eisenstein) (B : ℝ)
        (hD : ∀ d ∈ D, primary d ∧ Squarefree d ∧ norm d ≤ B)
        (hne : ∀ d ∈ D, (primaryPrimeFactors d).Nonempty)
        (F : Eisenstein → ℂ) :
        (∑ d ∈ D, F d) =
          ∑ t ∈ ((primeCutoff B) ×ˢ (primaryElementBall B)).filter
            (fun t => t.1*t.2 ∈ D ∧ ¬t.1 ∣ t.2 ∧
              largestPrimePredicate primeTieCode (primaryPrimeFactors t.2) t.1), F (t.1*t.2) := by
    …

    Mentions: OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.norm, OAI.CubicFirstMoment.primaryPrimeFactors, OAI.CubicFirstMoment.primeCutoff, OAI.CubicFirstMoment.primaryElementBall, OAI.CubicFirstMoment.largestPrimePredicate, OAI.CubicFirstMoment.primeTieCode