import Mathlib import OAI.Analysis.HardSphere.Geometry.KilledObservable namespace OAI noncomputable section open MeasureTheory Filter Set open scoped ENNReal Topology BigOperators open scoped BigOperators ComplexConjugate open MeasureTheory ProbabilityTheory Filter Set open scoped ENNReal NNReal Topology BigOperators open MeasureTheory ProbabilityTheory Real Complex open scoped ENNReal ComplexConjugate namespace HardSphere lemma killedTransition_continuous_ae (N : ℕ) (L : Length) (a t : ℝ) (g : C(Configuration N L,ℂ)) : killedTransition N L a t (ContinuousMap.toLp 2 volume ℂ g) =ᵐ[volume] killedAverage N L a t g := by have hgLp : MemLp (fun X ↦ g X) 2 (volume : Measure (Configuration N L)) := MemLp.of_bound g.continuous.measurable.aestronglyMeasurable ‖g‖ (Eventually.of_forall g.norm_coe_le_norm) have hge : ContinuousMap.toLp 2 volume ℂ g = hgLp.toLp g := by apply Lp.ext exact (ContinuousMap.coeFn_toLp (𝕜 := ℂ) (p := 2) volume g).trans hgLp.coeFn_toLp.symm rw [hge,killedTransition_bounded N L a t g.continuous.measurable hgLp (norm_nonneg g) g.norm_coe_le_norm] exact MemLp.coeFn_toLp _ end HardSphere end end OAI