OAI/Geometry/RCD/Sobolev/UniformLipschitzL2Limit.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Uniform Lipschitz bounds turn L² convergence into pointwise convergence
- theorem
OAI.RegularPointCoordinates.tendsto_zero_of_uniform_lipschitz_l2line 16Source documentation
A fixed positive ball witnesses every persistent nonzero value.
theorem tendsto_zero_of_uniform_lipschitz_l2 (μ : Measure X) [ProperSpace X] [IsFiniteMeasureOnCompacts μ] [μ.IsOpenPosMeasure] (u : ℕ → Lp ℝ 2 μ) (v : ℕ → X → ℝ) (L : ℝ≥0) (hrep : ∀ i, u i =ᵐ[μ] v i) (hLip : ∀ i, LipschitzWith L (v i)) (hlim : Tendsto (fun i => ‖u i‖) atTop (𝓝 0)) (x : X) : Tendsto (fun i => v i x) atTop (𝓝 0) := by … - theorem
OAI.RegularPointCoordinates.NoncollapsedRCD.boundedHeat_tendsto_zeroline 54Source documentation
Uniformly bounded L² data tending to zero have heat values tending to zero at every point. The proof uses no kernel estimate.
theorem boundedHeat_tendsto_zero (f : ℕ → Lp ℝ 2 (hausdorff n X)) (C : ℝ≥0) (hf : ∀ i, ∀ᵐ x ∂hausdorff n X, |f i x| ≤ C) (hlim : Tendsto f atTop (𝓝 0)) (t : ℝ) (ht : 0 < t) (x : X) : Tendsto (fun i => hX.boundedHeat hn p (f i) ⟨C, hf i⟩ t ht x) atTop (𝓝 0) := by …Mentions: OAI.RegularPointCoordinates.hausdorff