OAI/Geometry/RCD/Sobolev/LipschitzCompactSubsequence.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Uniform compactness of transferred Lipschitz data
- theorem
OAI.RegularPointCoordinates.exists_uniform_lipschitz_subsequenceline 15 - theorem
OAI.RegularPointCoordinates.exists_lipschitz_subsequence_on_compactline 43Source documentation
On a fixed compact region, the limit retains a global Lipschitz extension.
theorem exists_lipschitz_subsequence_on_compact {Z : Type*} [MetricSpace Z] {s : Set Z} (hs : IsCompact s) (f : ℕ → Z → ℝ) (L : ℝ≥0) (A : ℝ) (hl : ∀ k, LipschitzWith L (f k)) (hb : ∀ k z, z∈s → |f k z|≤A) : ∃ (g : Z → ℝ) (a : ℕ → ℕ), StrictMono a ∧ LipschitzWith L g ∧ (∀ z∈s, |g z|≤A) ∧ ∀ ε : ℝ, 0<ε → ∀ᶠ k in atTop, ∀ z∈s, |f (a k) z-g z|<ε := by …