openAI-math-dataset / lean /OAI /Analysis /IrrationalRotation /Model /CircleOrderedCoupling.lean
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import OAI.Analysis.IrrationalRotation.Model.CircleDigitMarginals
import OAI.Analysis.IrrationalRotation.Model.ParameterCircleOperator
import OAI.Analysis.IrrationalRotation.Model.CircleRationalGraphs
namespace OAI
noncomputable section
open MeasureTheory
namespace Invariant233.CircleCoupling
def finiteHybridChoice (N i : ℕ) : Bool := decide (i < N + 1)
def finiteHybridPoint (p : CircleParameterData)
(hr : ∀ i, 0 < MixedRadix.radices p.q i) (N : ℕ) : Sample → Circle :=
hybridPoint p hr (finiteHybridChoice N)
def OrderedCouplingIdentities (p : CircleParameterData) (θ : ℝ)
(hr : ∀ i, 0 < MixedRadix.radices p.q i)
(F : Circle → Rotation.Fiber →L[ℂ] Rotation.Fiber) : Prop :=
∀ j : ℕ, ∀ᵐ ω ∂law p j,
(1 - F (point p hr true ω)) *
ratioDiagonal (p.floorCocycle θ) (point p hr false ω, point p hr true ω) *
F (point p hr false ω) = 0 ∧
∀ k : ℤ, 0 < p.floorCocycle θ k (point p hr true ω) /
p.floorCocycle θ k (point p hr false ω) ∧
p.floorCocycle θ k (point p hr true ω) /
p.floorCocycle θ k (point p hr false ω) ≤ 1
end Invariant233.CircleCoupling
end
end OAI