OAI/Analysis/FiniteFactor/CrossedProduct/ProjectionPositiveConull.lean
1 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.FiniteFactor.sourceProjection_positive_common_conullline 12Source documentation
The strict diagonal conclusion and every previously verified orbit identity hold on one invariant Borel conull set for the original candidate projection.
theorem sourceProjection_positive_common_conull (θ : SourceCoordinate → ℝ) (hθ : SourceAngles θ) (hr : SourceRationalIndependent θ) {p : SourceHilbert SourceCoordinate →L[ℂ] SourceHilbert SourceCoordinate} (hp : p ∈ sourceAlgebra θ) (hproj : IsStarProjection p) (hp0 : p ≠ 0) (hp1 : p ≠ 1) (hinv : (1-p)*sourceOperator θ sourceLogWeight hθ.nonneg sourceLogWeight_nonneg*p = 0) : ∃ Q : Set SourceTorus, MeasurableSet Q ∧ (∀ᵐ z ∂sourceTorusHaar, z ∈ Q) ∧ (∀ z ∈ Q, finiteFloorSupport θ (sourceTorusRepresentative z) ∧ IsStarProjection (sourceTorusOperatorField p z) ∧ (∀ r k m : ℤ, (sourceTorusOperatorField p (sourceTorusRotate θ r z) (lp.single 2 m (1 : ℂ))) k = (sourceTorusOperatorField p z (lp.single 2 (m+r) (1 : ℂ))) (k+r)) ∧ …Mentions: OAI.FiniteFactor.SourceCoordinate, OAI.FiniteFactor.SourceAngles, OAI.FiniteFactor.SourceRationalIndependent, OAI.FiniteFactor.SourceHilbert, OAI.FiniteFactor.sourceAlgebra, OAI.FiniteFactor.sourceOperator, OAI.FiniteFactor.sourceLogWeight, OAI.FiniteFactor.sourceLogWeight_nonneg, OAI.FiniteFactor.SourceTorus, OAI.FiniteFactor.sourceTorusHaar, OAI.FiniteFactor.finiteFloorSupport, OAI.FiniteFactor.sourceTorusRepresentative, OAI.FiniteFactor.sourceTorusOperatorField, OAI.FiniteFactor.sourceTorusRotate