OAI/Geometry/RCD/Sobolev/FiniteDimensionalBochnerAE.lean
3 declarations, 0 contain sorry, 0 declared as axioms
A common null set for the finite-dimensional Bochner correction
- theorem
OAI.RegularPointCoordinates.ae_finite_bochner_shift_nonnegline 16Source documentation
The scalar finite-dimensional Bochner bound, initially available in each fixed direction, holds in every direction outside one null set.
theorem ae_finite_bochner_shift_nonneg {X : Type*} [MeasurableSpace X] {m : ℕ} (μ : Measure X) (B : X → Euclidean m →ₗ[ℝ] Euclidean m →ₗ[ℝ] ℝ) (D : X → Euclidean m →ₗ[ℝ] ℝ) (N : ℝ) (hN : 0<N) (hBE : ∀ a, ∀ᵐ x ∂μ, (D x a)^2≤N*B x a a) : ∀ᵐ x ∂μ, ∀ a b, 0≤B x a a-2*b*D x a+N*b^2 := by …Mentions: OAI.RegularPointCoordinates.Euclidean
- theorem
OAI.RegularPointCoordinates.bochnerRadonDensity_diagonalline 34Source documentation
The diagonal bilinear density equals the Radon--Nikodym density of the full positive measure.
theorem bochnerRadonDensity_diagonal {X : Type*} [MeasurableSpace X] {m : ℕ} (μ : Measure X) [SigmaFinite μ] (M : PositiveBilinearMeasure X (Euclidean m)) (a : Euclidean m) : (fun x => bochnerRadonDensity μ M x a a) =ᵐ[μ] fun x => ((M.measure a).rnDeriv μ x).toReal := by …Mentions: OAI.RegularPointCoordinates.PositiveBilinearMeasure, OAI.RegularPointCoordinates.Euclidean, OAI.RegularPointCoordinates.bochnerRadonDensity
- theorem
OAI.RegularPointCoordinates.shiftedBochnerLowerBound_of_finite_dimensionline 45Source documentation
The scalar dimensional inequality gives the full shifted measure lower bound, with no absolute-continuity assumption on its Bochner mass.
theorem shiftedBochnerLowerBound_of_finite_dimension {X : Type*} [MeasurableSpace X] {m : ℕ} (μ : Measure X) [SigmaFinite μ] (M : PositiveBilinearMeasure X (Euclidean m)) {Ω : Set X} [IsFiniteMeasure (μ.restrict Ω)] (ell : Euclidean m →ₗ[ℝ] ℝ) (N : ℝ) (hN : 0<N) (hBE : ∀ a, ∀ᵐ x ∂μ.restrict Ω, (ell a)^2≤N*bochnerRadonDensity μ M x a a) : ShiftedBochnerLowerBound M (μ.restrict Ω) ell N := by …Mentions: OAI.RegularPointCoordinates.PositiveBilinearMeasure, OAI.RegularPointCoordinates.Euclidean, OAI.RegularPointCoordinates.bochnerRadonDensity, OAI.RegularPointCoordinates.ShiftedBochnerLowerBound