OAI/MeasureTheory/Falconer/Slicing/GaussianEnergy.lean
4 declarations, 0 contain sorry, 0 declared as axioms
The all-dimensional Gaussian Fourier energy bound
- theorem
OAI.Falconer.gaussian_mass_bound_realline 13 - theorem
OAI.Falconer.gaussian_energy_boundline 24 - theorem
OAI.Falconer.fourier_gaussian_energy_boundline 42 - theorem
OAI.Falconer.fourier_ball_energy_boundline 68Source documentation
A Gaussian majorant of the Fourier energy in a fixed multiple of the frequency ball.
theorem fourier_ball_energy_bound (μ : Measure (Space d)) [IsFiniteMeasure μ] {B K s C : ℝ} {k : ℕ} (hB : 0 < B) (hK : 0 ≤ K) (hsk : s ≤ k) (hC : 0 ≤ C) (hb : ∀ x : Space d, ∀ r : ℝ, 1/B ≤ r → μ (ball x r) ≤ ENNReal.ofReal (K*r^s)) : (∫ ξ in ball (0:Space d) (C*B), ‖PlanarFalconer.sourceFourier μ ξ‖^2) ≤ Real.exp (Real.pi^2*C^2)*(B^2/Real.pi)^((d:ℝ)/2)* (μ.real univ*(K*(1/B)^s*gaussianBallConstant k)) := by …Mentions: OAI.Falconer.Space, OAI.PlanarFalconer.sourceFourier, OAI.Falconer.gaussianBallConstant