OAI/NumberTheory/JointDickman/Arithmetic/RandomRootSieve.lean

GitHub source file

2 declarations, 0 contain sorry, 0 declared as axioms

Independently randomized root sets

Averaging the uniform deterministic bound preserves its remainder and factors its main term. The root sets at a prime may contain coincident roots of several forms; only their union and its cardinality matter.

  1. theorem OAI.JointDickman.finiteProductMass_product_expectation line 18

    Source documentation

    Exact expectation of a product under the finite product law.

    theorem finiteProductMass_product_expectation {ι : Type*} [Fintype ι] [DecidableEq ι]
        {Ω : ι → Type*} [∀ i, Fintype (Ω i)] (μ F : ∀ i, Ω i → ℝ) :
        (∑ ω, finiteProductMass μ ω * ∏ i, F i (ω i)) =
          ∏ i, ∑ x, μ i x * F i x := by
    …

    Mentions: OAI.JointDickman.finiteProductMass

  2. theorem OAI.JointDickman.randomized_root_interval_sieve line 27

    Source documentation

    Arbitrary independent choices of at most k roots per prime satisfy the interval upper bound, with one uniform polynomial remainder.

    theorem randomized_root_interval_sieve
        (hFord : PublishedInputs.FordUpperSieveInput)
        (hM : PublishedInputs.PrimeReciprocalMertensInput) {k : ℕ} (hk : 0 < k) :
        ∃ C : ℝ, 0 < C ∧ ∀ (P : Finset ℕ) (Ω : P → Type) [∀ p, Fintype (Ω p)]
          (μ : ∀ p, Ω p → ℝ) (A : ∀ p : P, Ω p → Finset (ZMod p.val))
          (a b Z : ℕ), a ≤ b → 2 ≤ Z →
          (∀ p ∈ P, p.Prime ∧ p ≤ Z ∧ 2 * k ≤ p) →
          (∀ p x, 0 ≤ μ p x) → (∀ p, ∑ x, μ p x = 1) →
          (∀ p x, (A p x).card ≤ k) →
          (∑ n ∈ Ico a b, ∏ p : P, ∑ x, μ p x *
            (if (n : ZMod p.val) ∈ A p x then 0 else 1)) ≤
          C * ((b : ℝ) - a) * (∏ p : P, ∑ x, μ p x *
    …

    Mentions: OAI.JointDickman.PublishedInputs.FordUpperSieveInput, OAI.JointDickman.PublishedInputs.PrimeReciprocalMertensInput