Poitou Transform #
Supporting definitions and lemmas for the Odlyzko-bound formalization.
A poitou transform integrand used in the Odlyzko-bound argument.
Equations
- NumberField.Odlyzko.poitouTransformIntegrand f s x = ↑(NumberField.Odlyzko.poitouKernel f x) * Complex.exp ((s - 1 / 2) * ↑x)
Instances For
A poitou transform used in the Odlyzko-bound argument.
Equations
Instances For
theorem
NumberField.Odlyzko.re_poitouTransform_mul_I_eq_cosineTransform
{f : ℝ → ℝ}
(hf : ∀ (x : ℝ), f (-x) = f x)
(t : ℝ)
(hint : MeasureTheory.Integrable (poitouTransformIntegrand f (↑t * Complex.I)) MeasureTheory.volume)
:
theorem
NumberField.Odlyzko.re_poitouTransform_mul_I_nonneg
{f : ℝ → ℝ}
(hf : Poitou.Admissible f)
(t : ℝ)
(hint : MeasureTheory.Integrable (poitouTransformIntegrand f (↑t * Complex.I)) MeasureTheory.volume)
:
theorem
NumberField.Odlyzko.re_poitouTransform_one_add_mul_I_nonneg
{f : ℝ → ℝ}
(hf : Poitou.Admissible f)
(t : ℝ)
(hint : MeasureTheory.Integrable (poitouTransformIntegrand f (↑(-t) * Complex.I)) MeasureTheory.volume)
:
theorem
NumberField.Odlyzko.poitouTransform_one_eq_integral
{f : ℝ → ℝ}
(hf : ∀ (x : ℝ), f (-x) = f x)
(hint : MeasureTheory.Integrable (poitouTransformIntegrand f 0) MeasureTheory.volume)
: