OAI/Geometry/RCD/Metric/MovingPointedLimitApproximation.lean
6 declarations, 0 contain sorry, 0 declared as axioms
Pointed approximations with moving physical centers
- def
OAI.RegularPointCoordinates.PointedSequenceConvergesline 15Source documentation
Pointed metric convergence allowing the physical centers to move.
def PointedSequenceConverges {X Y : Type*} [MetricSpace X] [MetricSpace Y] (p : ℕ → X) (q : Y) (r : ℕ → ℝ) : Prop := … - def
OAI.RegularPointCoordinates.MovingRescalingNetFamily.netIndexline 26 - def
OAI.RegularPointCoordinates.MovingRescalingNetFamily.netMapline 32Source documentation
Send a point in the working ball to the corresponding limiting net point. Outside that ball the map takes the base-point value.
def netMap (R k i : ℕ) (x : X) : UniformSpace.Completion s.Index := by …
- theorem
OAI.RegularPointCoordinates.MovingRescalingNetFamily.netMap_dataline 39 - theorem
OAI.RegularPointCoordinates.MovingRescalingNetFamily.eventually_net_distline 57Source documentation
A single tail controls every pair of labels in a finite net and the base-point label simultaneously.
theorem eventually_net_dist (R k : ℕ) {delta : ℝ} (hdelta : 0 < delta) : ∀ᶠ i in atTop, ∀ a b : Option (Fin (s.size R k)), |dist (s.netIndex R k a) (s.netIndex R k b) - dist (s.sample (phi i) (s.netIndex R k a)) (s.sample (phi i) (s.netIndex R k b)) / r (phi i)| < delta := by … - theorem
OAI.RegularPointCoordinates.MovingRescalingNetFamily.pointedSequenceConvergesline 72Source documentation
The completed sampled limit is a pointed limit of the original rescalings, using maps constructed directly from the finite nets.
theorem pointedSequenceConverges : PointedSequenceConverges (p ∘ phi) ((none : s.Index) : UniformSpace.Completion s.Index) (r ∘ phi) := by …Mentions: OAI.RegularPointCoordinates.PointedSequenceConverges