OAI/GroupTheory/PolycyclicRecognition/Analysis/SequenceCellProfilePairs.lean
3 declarations, 0 contain sorry, 0 declared as axioms
Joint good sheets for two supported profile limits
The two profile approximations are imposed on the same Haar-cell subset. Their joint weak limit supplies its subexponential relative mass.
- theorem
OAI.PolycyclicRecognition.exists_good_cell_profile_pairs_sequenceline 20Source documentation
A supported pair of profile limits gives a common good set in each original recurrence cell, with both uniform errors tending to zero.
theorem exists_good_cell_profile_pairs_sequence {V W N : Type*} [TopologicalSpace V] [NormedAddCommGroup W] [MeasurableSpace N] (S : Set C(V, W)) [MeasurableSpace S] [BorelSpace S] [BorelSpace (S × S)] [HasOuterApproxClosed (S × S)] (K : Set V) (hK : IsCompact K) (scale : ℕ → ℝ) (hs : Tendsto scale atTop atTop) (μ : Measure N) (Q : ℕ → Set N) (hQ : ∀ n, MeasurableSet (Q n)) (hQ0 : ∀ n, μ (Q n) ≠ 0) (hQfin : ∀ n, μ (Q n) ≠ ∞) (profile : ℕ → N → S × S) (hp : ∀ n, Measurable (profile n)) (ν : ProbabilityMeasure (S × S)) (hν : Tendsto (fun n => ProbabilityMeasure.map (cellProbabilityMeasure μ (Q n) (hQ0 n) (hQfin n)) (profile n)) atTop (𝓝 ν)) … - theorem
OAI.PolycyclicRecognition.exists_positive_good_cell_profile_pairsline 73Source documentation
Retain only good scales once, before applying the coupled recurrence. Both the actual scales and their indices remain strictly increasing.
theorem exists_positive_good_cell_profile_pairs {V W N : Type*} [TopologicalSpace V] [NormedAddCommGroup W] [MeasurableSpace N] (S : Set C(V, W)) [MeasurableSpace S] [BorelSpace S] [BorelSpace (S × S)] [HasOuterApproxClosed (S × S)] (K : Set V) (hK : IsCompact K) (scale : ℕ → ℝ) (hs : Tendsto scale atTop atTop) (μ : Measure N) (Q : ℕ → Set N) (hQ : ∀ n, MeasurableSet (Q n)) (hQ0 : ∀ n, μ (Q n) ≠ 0) (hQfin : ∀ n, μ (Q n) ≠ ∞) (profile : ℕ → N → S × S) (hp : ∀ n, Measurable (profile n)) (ν : ProbabilityMeasure (S × S)) (hν : Tendsto (fun n => ProbabilityMeasure.map (cellProbabilityMeasure μ (Q n) (hQ0 n) (hQfin n)) (profile n)) atTop (𝓝 ν)) … - theorem
OAI.PolycyclicRecognition.exists_positive_eventually_good_cell_profile_pairsline 108Source documentation
Replace the finitely many zero-measure good cells by their whole cells. The scale sequence is preserved, which keeps both already chosen polynomial limits and the chart selected by the geometric comparison unchanged.
theorem exists_positive_eventually_good_cell_profile_pairs {V W N : Type*} [TopologicalSpace V] [NormedAddCommGroup W] [MeasurableSpace N] (S : Set C(V, W)) [MeasurableSpace S] [BorelSpace S] [BorelSpace (S × S)] [HasOuterApproxClosed (S × S)] (K : Set V) (hK : IsCompact K) (scale : ℕ → ℝ) (hs : Tendsto scale atTop atTop) (μ : Measure N) (Q : ℕ → Set N) (hQ : ∀ n, MeasurableSet (Q n)) (hQ0 : ∀ n, μ (Q n) ≠ 0) (hQfin : ∀ n, μ (Q n) ≠ ∞) (profile : ℕ → N → S × S) (hp : ∀ n, Measurable (profile n)) (ν : ProbabilityMeasure (S × S)) (hν : Tendsto (fun n => ProbabilityMeasure.map (cellProbabilityMeasure μ (Q n) (hQ0 n) (hQfin n)) (profile n)) atTop (𝓝 ν)) …