AlexKontorovich/PrimeNumberTheoremAnd
Source indexedlemma · leanprover/lean4:v4.32.0
ZetaAbelFractKernel.hasDerivAt_integral_param_dominated_Ioi
PrimeNumberTheoremAnd.Mathlib.NumberTheory.LSeries.RiemannZetaAbelKernel · PrimeNumberTheoremAnd/Mathlib/NumberTheory/LSeries/RiemannZetaAbelKernel.lean:162 to 179
Source documentation
Dominated differentiation under ∫_{(1,∞)} F z.
Exact Lean statement
lemma hasDerivAt_integral_param_dominated_Ioi
(F F' : ℂ → ℝ → ℂ) (s : ℂ) (δ : ℝ) (hδ : 0 < δ)
(hmeas : ∀ᶠ z in 𝓝 s, AEStronglyMeasurable (F z) (volume.restrict (Ioi (1 : ℝ))))
(hFint : Integrable (F s) (volume.restrict (Ioi (1 : ℝ))))
(hF'meas : AEStronglyMeasurable (F' s) (volume.restrict (Ioi (1 : ℝ))))
(bound : ℝ → ℝ) (hbound_int : Integrable bound (volume.restrict (Ioi (1 : ℝ))))
(hbound : ∀ᵐ u ∂(volume.restrict (Ioi (1 : ℝ))), ∀ z ∈ Metric.ball s δ, ‖F' z u‖ ≤ bound u)
(hderiv : ∀ᵐ u ∂(volume.restrict (Ioi (1 : ℝ))), ∀ z ∈ Metric.ball s δ,
HasDerivAt (fun w => F w u) (F' z u) z) :
HasDerivAt (fun z => ∫ u in Ioi (1 : ℝ), F z u) (∫ u in Ioi (1 : ℝ), F' s u) sComplete declaration
Lean source
Full Lean sourceLean 4
lemma hasDerivAt_integral_param_dominated_Ioi (F F' : ℂ → ℝ → ℂ) (s : ℂ) (δ : ℝ) (hδ : 0 < δ) (hmeas : ∀ᶠ z in 𝓝 s, AEStronglyMeasurable (F z) (volume.restrict (Ioi (1 : ℝ)))) (hFint : Integrable (F s) (volume.restrict (Ioi (1 : ℝ)))) (hF'meas : AEStronglyMeasurable (F' s) (volume.restrict (Ioi (1 : ℝ)))) (bound : ℝ → ℝ) (hbound_int : Integrable bound (volume.restrict (Ioi (1 : ℝ)))) (hbound : ∀ᵐ u ∂(volume.restrict (Ioi (1 : ℝ))), ∀ z ∈ Metric.ball s δ, ‖F' z u‖ ≤ bound u) (hderiv : ∀ᵐ u ∂(volume.restrict (Ioi (1 : ℝ))), ∀ z ∈ Metric.ball s δ, HasDerivAt (fun w => F w u) (F' z u) z) : HasDerivAt (fun z => ∫ u in Ioi (1 : ℝ), F z u) (∫ u in Ioi (1 : ℝ), F' s u) s := by have h := hasDerivAt_integral_of_dominated_loc_of_deriv_le (μ := volume.restrict (Ioi (1 : ℝ))) (F := F) (F' := F') (x₀ := s) (s := Metric.ball s δ) (bound := bound) (Metric.ball_mem_nhds s hδ) (hF_meas := hmeas) (hF_int := hFint) (hF'_meas := hF'meas) (h_bound := hbound) (bound_integrable := hbound_int) (h_diff := hderiv) rcases h with ⟨_, hDeriv⟩ exact hDeriv