OAI/NumberTheory/EgyptianFractions/ConcreteGoodExposure.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

  1. lemma OAI.Problem337.RandomProducts.fresh_wide_product_le_exp line 10

    Source documentation

    Allows the wider prime pool with upper endpoint S^101.

    lemma fresh_wide_product_le_exp {S V : ℝ} (hS : 1 < S)
        (hV : 100000 * Real.log S ≤ V) :
        (S ^ 101) ^ freshLength S V ≤ Real.exp ((4 / 5 : ℝ) * V) := by
    …

    Mentions: OAI.Problem337.RandomProducts.freshLength

  2. lemma OAI.Problem337.RandomProducts.fresh_wide_samples_lt_modulus line 24
  3. theorem OAI.Problem337.RandomProducts.concrete_good_exposure_bound line 45

    Source documentation

    Concrete good-exposure estimate, with atom decay proved rather than assumed.

    theorem concrete_good_exposure_bound
        (S V : ℝ) (hS : 2 ≤ S) (hV : 100000 * Real.log S ≤ V) (hVS : V ≤ S)
        (P : Finset ℕ) (hPprime : ∀ p ∈ P, Nat.Prime p)
        (hPcard : S ^ 99 ≤ (P.card : ℝ))
        (hPupper : ∀ p ∈ P, (p : ℝ) ≤ S ^ 101)
        (a u : ℕ) (hu : 0 < u) [NeZero u]
        (huV : (u : ℝ) ≤ Real.exp V)
        (hq : Real.exp ((9 / 10 : ℝ) * V) ≤ ((u / a.gcd u : ℕ) : ℝ))
        (t : ZMod u) :
        ‖(∑ w₁ : Fin (freshLength S V) → ↥P,
          ∑ w₂ : Fin (freshLength S V) → ↥P,
          ZMod.stdAddChar
    …

    Mentions: OAI.Problem337.RandomProducts.freshLength