OAI/Analysis/KadisonSimilarity/FreeProduct/FreePositionMatrices.lean

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The published conjugacy input is used once, for the prescribed irreducible inclusion. Its concrete conjugated copy retains the original matrix tower and real orthonormal sequence.

  1. theorem OAI.KadisonSimilarity.exists_conjugated_free_matrix_copy line 32

    Source documentation

    Conditional free position with all matrix-density data retained. The only freeness assumption is the stated Popa specialization; none of the operator estimates of the present manuscript occurs in it.

    theorem exists_conjugated_free_matrix_copy
        (hω : (ω : Filter ℕ) ≤ Filter.cofinite)
        (ρ : R →⋆ₐ[ℂ] A) (hρ : Function.Injective ρ)
        (hρτ : ∀ x, τA (ρ x) = τR x)
        (hfA : ∀ a : A, τA (star a * a) = 0 → a = 0)
        (M : NestedTracialMatrices (A := I) τR.toLinearMap (gnsTracialVector τR))
    …

    Mentions: OAI.KadisonSimilarity.NestedTracialMatrices, OAI.KadisonSimilarity.gnsTracialVector