OAI/Analysis/FiniteFactor/Fiber/StrongContinuity.lean
2 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.FiniteFactor.fiberField_continuousOnline 13Source documentation
A uniformly bounded field is strongly continuous wherever all its basis columns are continuous. No norm-continuity of the field is required.
theorem fiberField_continuousOn {X : Type*} [TopologicalSpace X] (A : X → SourceFiberHilbert →L[ℂ] SourceFiberHilbert) (Q : Set X) (C : ℝ) (hC : ∀ x ∈ Q, ‖A x‖ ≤ C) (hb : ∀ k : ℤ, ContinuousOn (fun x => A x (lp.single 2 k (1 : ℂ))) Q) (v : SourceFiberHilbert) : ContinuousOn (fun x => A x v) Q := by …Mentions: OAI.FiniteFactor.SourceFiberHilbert
- theorem
OAI.FiniteFactor.fiberField_continuousOn_applyline 47Source documentation
Evaluation on a varying continuous vector preserves strong continuity under a uniform operator bound.
theorem fiberField_continuousOn_apply {X : Type*} [TopologicalSpace X] (A : X → SourceFiberHilbert →L[ℂ] SourceFiberHilbert) (Q : Set X) (C : ℝ) (hC : ∀ x ∈ Q, ‖A x‖ ≤ C) (hA : ∀ v, ContinuousOn (fun x => A x v) Q) (v : X → SourceFiberHilbert) (hv : ContinuousOn v Q) : ContinuousOn (fun x => A x (v x)) Q := by …Mentions: OAI.FiniteFactor.SourceFiberHilbert