OAI/Analysis/KadisonKastler/MinimalRowDynamics.lean
4 declarations, 0 contain sorry, 0 declared as axioms
Every orbit in a minimal row family is dense in that family.
- theorem
OAI.KadisonKastler.boundedWeakAlgebraMap_extline 20 - theorem
OAI.KadisonKastler.boundedWeakRowOrbit_subset_of_invariantline 27 - theorem
OAI.KadisonKastler.minimal_row_family_orbit_denseline 36 - theorem
OAI.KadisonKastler.minimal_row_family_quantity_constantline 49Source documentation
Every lower-semicontinuous quantity decreased by all row averages is constant on a minimal invariant family. This is the norm-minimization step; no right-module conclusion is built into it.
theorem minimal_row_family_quantity_constant {M : VonNeumannAlgebra H} {c : ℝ} (hc : 0 ≤ c) (K : Set (BoundedWeakAlgebraMap M c)) (hclosed : IsClosed K) (hinv : RowInvariant hc K) (hmin : ∀ L : Set (BoundedWeakAlgebraMap M c), L ⊆ K → L.Nonempty → IsClosed L → RowInvariant hc L → L = K) (q : BoundedWeakAlgebraMap M c → ℝ) (hsub : ∀ a, IsClosed {F | q F ≤ a}) (hdec : ∀ (n : ℕ) (r : Fin n → Algebra M) (hr : ∑ i, r i * star (r i) = 1) (F : BoundedWeakAlgebraMap M c), q (boundedWeakRowAverage hc r hr F) ≤ q F) {F G : BoundedWeakAlgebraMap M c} (hF : F ∈ K) (hG : G ∈ K) : q F = q G := by …Mentions: OAI.KadisonKastler.BoundedWeakAlgebraMap, OAI.KadisonKastler.RowInvariant, OAI.KadisonKastler.Algebra, OAI.KadisonKastler.boundedWeakRowAverage