OAI/GroupTheory/PolycyclicRecognition/Algebra/FactorOccupationLimit.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Combining the two actual factor estimates for occupation limits
- theorem
OAI.PolycyclicRecognition.invariant_of_weak_factor_occupation_limitline 14Source documentation
Separate right-translation estimates in the two factors suffice for full invariance. Factorizations may be nonunique.
theorem invariant_of_weak_factor_occupation_limit {G X ι : Type*} [Group G] [MetricSpace X] [CompactSpace X] [MeasurableSpace X] [BorelSpace X] [SecondCountableTopology X] [MulAction G X] [ContinuousConstSMul G X] (N D : Subgroup G) (hgen : ∀ g : G, ∃ n : N, ∃ d : D, g = (n : G) * d) {l : Filter ι} [l.NeBot] (μs : ι → ProbabilityMeasure X) (μ : ProbabilityMeasure X) (hlim : Tendsto μs l (𝓝 μ)) (hN : ∀ (n : N) (f : C(X, ℝ)), Tendsto (fun i => (∫ x, f ((n : G) • x) ∂(μs i : Measure X)) - ∫ x, f x ∂(μs i : Measure X)) l (𝓝 0)) …