Documentation

Atlas.LieGroups.code.MeasuresSupport

noncomputable def Meas.embedMap (X : Type u_1) [TopologicalSpace X] (MX : Type u_2) [AddCommGroup MX] [Module MX] [TopologicalSpace MX] [CompactlySupportedMeasureSpace X MX] :
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      def Meas.IsSupportedIn {X : Type u_1} [TopologicalSpace X] {MX : Type u_2} [AddCommGroup MX] [Module MX] [TopologicalSpace MX] [CompactlySupportedMeasureSpace X MX] (μ : MX) (K : Set X) :
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            theorem ConcreteMeasSupp.weakStarCauchyLimit_exists {X : Type u_2} [TopologicalSpace X] [LocallyCompactSpace X] [SecondCountableTopology X] [T2Space X] (μ : C(X, ) →L[] ) (_hcauchy : IsWeakStarCauchy μ) (_hlim : ∀ (f : C(X, )), ∃ (c : ), Filter.Tendsto (fun (n : ) => (μ n) f) Filter.atTop (nhds c)) :
            ∃ (μ₀ : C(X, ) →L[] ), TendstoWeakStar μ μ₀
            theorem ConcreteMeasSupp.not_in_support_local_vanishing {X : Type u_1} [TopologicalSpace X] [LocallyCompactSpace X] [SecondCountableTopology X] [T2Space X] (μ : C(X, ) →L[] ) (x : X) (hx : xfunctionalSupport μ) :
            Unhds x, ∀ (g : C(X, )), (∀ yU, g y = 0)μ g = 0
            theorem ConcreteMeasSupp.exists_pou_subordinate_open {X : Type u_2} [TopologicalSpace X] [LocallyCompactSpace X] [SecondCountableTopology X] [T2Space X] (S : Set X) (hS : IsOpen S) (U : XSet X) (hUo : ∀ (x : X), IsOpen (U x)) (hUmem : xS, x U x) :
            ∃ (ρ : C(X, )) (idx : X), (∀ (n : ), ρ n 0idx n S) (∀ (n : ) (x : X), 0 (ρ n) x) (∀ (n : ), tsupport (ρ n) U (idx n)) (LocallyFinite fun (n : ) => Function.support (ρ n)) xS, ∑ᶠ (n : ), (ρ n) x = 1
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              theorem ConcreteMeasSupp.pou_decomposition {X : Type u_2} [TopologicalSpace X] [LocallyCompactSpace X] [SecondCountableTopology X] [T2Space X] (S : Set X) (hS : IsOpen S) (f : C(X, )) (hfS : xS, f x = 0) (U : XSet X) (hUo : ∀ (x : X), IsOpen (U x)) (hUmem : xS, x U x) :
              ∃ (g : C(X, )) (idx : X), (∀ (n : ), g n 0idx n S) (∀ (n : ), yU (idx n), (g n) y = 0) (LocallyFinite fun (n : ) => Function.support (g n)) ∀ (x : X), HasSum (fun (n : ) => (g n) x) (f x)
              theorem ConcreteMeasSupp.pou_kills_functional {X : Type u_2} [TopologicalSpace X] [LocallyCompactSpace X] [SecondCountableTopology X] [T2Space X] (μ : C(X, ) →L[] ) (f : C(X, )) (g : C(X, )) (hlf : LocallyFinite fun (n : ) => Function.support (g n)) (hpw : ∀ (x : X), HasSum (fun (n : ) => (g n) x) (f x)) (hzero : ∀ (n : ), μ (g n) = 0) :
              μ f = 0
              theorem ConcreteMeasSupp.partitionOfUnity_kills_on_openSet {X : Type u_2} [TopologicalSpace X] [LocallyCompactSpace X] [SecondCountableTopology X] [T2Space X] (μ : C(X, ) →L[] ) (f : C(X, )) (S : Set X) (hS : IsOpen S) (hfS : xS, f x = 0) (U : XSet X) (hUo : ∀ (x : X), IsOpen (U x)) (hUmem : xS, x U x) (hUkill : xS, ∀ (g : C(X, )), (∀ yU x, g y = 0)μ g = 0) :
              μ f = 0
              theorem ConcreteMeasSupp.functional_kills_vanishing_on_closed_support {X : Type u_2} [TopologicalSpace X] [LocallyCompactSpace X] [SecondCountableTopology X] [T2Space X] (μ : C(X, ) →L[] ) (f : C(X, )) (hf : xfunctionalSupport μ, f x = 0) (hloc : xfunctionalSupport μ, Unhds x, ∀ (g : C(X, )), (∀ yU, g y = 0)μ g = 0) :
              μ f = 0