OAI/NumberTheory/CubicMoment/Estimates/SparseModelCounting.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

Direct sparse-branch model counting. Mutual coprimality is not removed: the original squarefree product factor remains in the sum.

  1. lemma OAI.CubicFirstMoment.squarefree_model_bilinear_counting line 11
  2. lemma OAI.CubicFirstMoment.sparse_model_counting_scale line 77
  3. lemma OAI.CubicFirstMoment.squarefree_model_bilinear_operator line 101

    Source documentation

    The squarefree model has at most the cubic-sieve shape by direct finite counting. No cancellation or model asymptotic is assumed.

    lemma squarefree_model_bilinear_operator
        (P Q : Finset Eisenstein) (α β : Eisenstein → ℂ) (V : Eisenstein → Eisenstein → ℂ)
        {A B M H ε : ℝ} (hA : 1 ≤ A) (hB : 1 ≤ B) (hM : 0 < M)
        (hH : 0 ≤ H) (hε : 0 ≤ ε)
        (hP : ∀ a ∈ P, primary a ∧ A/M ≤ norm a ∧ norm a ≤ A)
        (hQ : ∀ b ∈ Q, primary b ∧ B/M ≤ norm b ∧ norm b ≤ B)
        (hV : ∀ a ∈ P, ∀ b ∈ Q, ‖V a b‖ ≤ H) :
        ‖∑ a ∈ P, ∑ b ∈ Q, α a*β b*(idealMoebius (a*b):ℂ)^2*
          ((norm (a*b)^(-1/6:ℝ):ℝ):ℂ)*V a b‖^2 ≤
          (324*H^2*M^(2/3:ℝ))*(A*B)^ε*(A+B+(A*B)^(2/3:ℝ))*
            (∑ a ∈ P, ‖α a‖^2)*(∑ b ∈ Q, ‖β b‖^2) := by
    …

    Mentions: OAI.CubicFirstMoment.Eisenstein, OAI.CubicFirstMoment.primary, OAI.CubicFirstMoment.norm, OAI.CubicFirstMoment.idealMoebius