OAI/NumberTheory/JointDickman/Analysis/CharacterDyadicSum.lean
3 declarations, 0 contain sorry, 0 declared as axioms
Weighted character sums on a dyadic interval
- lemma
OAI.JointDickman.character_cpow_splitline 11 - lemma
OAI.JointDickman.rpow_weight_dyadic_boundline 21 - theorem
OAI.JointDickman.character_dyadic_sum_uniformline 34Source documentation
The logarithmic phase estimate survives the full Dirichlet-series weight, with a decaying bound for each dyadic interval.
theorem character_dyadic_sum_uniform (B : ℝ) (hB : 1/2 ≤ B) : ∃ A δ : ℝ, 0 < A ∧ 0 < δ ∧ ∀ᶠ U : ℝ in atTop, ∀ (q : ℕ) [NeZero q] (χ : DirichletCharacter ℂ q) (σ t : ℝ) (L R : ℤ), 1 ≤ σ → U^(1/2:ℝ) ≤ |t/(2*Real.pi)| → |t/(2*Real.pi)| ≤ U^B → U ≤ (L:ℝ) → (R:ℝ) ≤ 2*U → ‖∑ n ∈ Icc L R, χ (n:ZMod q)*(n:ℂ)^(-((σ:ℂ)+(t:ℂ)*I))‖ ≤ (q:ℝ)*A*U^(-δ) := by …