OAI/NumberTheory/TwoPoint/Halasz/HalaszSparseSmallPrimes.lean
4 declarations, 0 contain sorry, 0 declared as axioms
The small-prime range of the published sparse estimate follows from Chebyshev and finite weighted Gram duality. Only larger log Y requires the oscillatory prime estimate.
- lemma
OAI.TwoPointCorrelations.halasz_dyadic_prime_log_massline 14 - theorem
OAI.TwoPointCorrelations.halasz_sparse_prime_card_boundline 27 - lemma
OAI.TwoPointCorrelations.halasz_sparse_small_scaleline 59 - theorem
OAI.TwoPointCorrelations.halasz_sparse_small_primesline 75Source documentation
This is the exact sparse-input inequality in the small log Y range.
theorem halasz_sparse_small_primes {L Y : ℝ} (hL : 1 ≤ L) (hY : 2 ≤ Y) (hscale : Real.log Y ≤ 2*L^(3/4:ℝ)*Real.log L) (P : Finset ℕ) (hP : ∀ p ∈ P, p.Prime ∧ Y ≤ (p:ℝ) ∧ (p:ℝ) ≤ 2*Y) (a : ℕ → ℂ) (S : Finset ℝ) (hsep : ∀ t ∈ S, ∀ s ∈ S, t≠s → 1 ≤ |t-s|) : (∑ t ∈ S, ‖mrtExponentialPolynomial P a (fun p => -Real.log (p:ℝ)) t‖^2) ≤ (2*Real.log 4)*(Y+(S.card:ℝ)*Y*Real.exp (-Real.log Y/L^(3/4:ℝ))*L^2)* ∑ p ∈ P, ‖a p‖^2/Real.log (p:ℝ) := by …