OAI/Geometry/RCD/Coordinates/DyadicCenterDecay.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Vanishing of affine center values at shrinking radial scales
- theorem
OAI.RegularPointCoordinates.dyadic_affine_center_tendsto_zeroline 16Source documentation
The actual dyadic radius decays faster than the proved covector growth. Thus the size estimate for affine fit centers forces a zero limit.
theorem dyadic_affine_center_tendsto_zero {n : ℕ} {r0 M : ℝ} (hr0 : 0 ≤ r0) (hM : 0 ≤ M) (F : ℕ → Euclidean n ≃L[ℝ] Euclidean n) (b : Euclidean n) (hgrowth : ∀ i, ‖(F i).symm b‖ ≤ (9 / 8 : ℝ) ^ i * ‖(F 0).symm b‖) (c : ℕ → ℝ) (hsize : ∀ i, |c i| ≤ M * (distanceSourceRadius r0 i / 64) * ‖(F i).symm b‖) : Tendsto c atTop (𝓝 0) := by …Mentions: OAI.RegularPointCoordinates.Euclidean, OAI.RegularPointCoordinates.distanceSourceRadius