OAI/Analysis/KadisonKastler/ConstructedFiniteSpatial.lean
2 declarations, 0 contain sorry, 0 declared as axioms
Spatial implementation using the constructed finite-factor estimate
- theorem
OAI.KadisonKastler.constructed_complete_closeness_of_finiteFactor_equivline 35Source documentation
The concrete paired factor gives the required complete bound.
theorem constructed_complete_closeness_of_finiteFactor_equiv (hM : Generator.IsII1Factor M.toStarSubalgebra) (hN : Generator.IsII1Factor N.toStarSubalgebra) (θ : Algebra M ≃⋆ₐ[ℂ] Algebra N) {δ : ℝ} (hδ : 0 ≤ δ) (hclose : ∀ x : Algebra M, ‖x.val - (θ x).val‖ ≤ δ * ‖x‖) : CompletelyBoundedBy (M.toStarSubalgebra.subtype.toLinearMap - (N.toStarSubalgebra.subtype.comp θ.toStarAlgHom).toAlgHom.toLinearMap) (1000000 * δ) := by …Mentions: OAI.Generator.IsII1Factor, OAI.KadisonKastler.Algebra, OAI.KadisonKastler.CompletelyBoundedBy
- theorem
OAI.KadisonKastler.constructed_finiteFactor_spatial_of_near_starEquivline 50Source documentation
A nearby finite-factor isomorphism is spatial, with no published amplification or commutant-distance assumption.
theorem constructed_finiteFactor_spatial_of_near_starEquiv (hM : Generator.IsII1Factor M.toStarSubalgebra) (hN : Generator.IsII1Factor N.toStarSubalgebra) (θ : Algebra M ≃⋆ₐ[ℂ] Algebra N) {δ : ℝ} (hδ : 0 ≤ δ) (hsmall : δ < 1 / 4000000) (hclose : ∀ x : Algebra M, ‖x.val - (θ x).val‖ ≤ δ * ‖x‖) : ∃ u : unitary (H →L[ℂ] H), Conjugates u M N ∧ ‖(u : H →L[ℂ] H) - 1‖ ≤ 4000000 * δ := by …Mentions: OAI.Generator.IsII1Factor, OAI.KadisonKastler.Algebra, OAI.KadisonKastler.Conjugates