OAI/Analysis/KadisonKastler/PreservationMatrix.lean

GitHub source file

11 declarations, 0 contain sorry, 0 declared as axioms

The subset matrix at a preservation cut

  1. theorem OAI.KadisonKastler.missing_word_label_exists line 17
  2. def OAI.KadisonKastler.missingWordLabel line 25
  3. theorem OAI.KadisonKastler.missingWordLabel_spec line 30
  4. theorem OAI.KadisonKastler.missingWordLabel_right_injective line 36
  5. theorem OAI.KadisonKastler.missingWordLabel_left_injective line 58
  6. def OAI.KadisonKastler.preservationProjectionMatrix line 88
  7. theorem OAI.KadisonKastler.norm_preservationProjectionMatrix_le line 96

    Source documentation

    Distinct missing labels in a row and column give orthogonal ranges and domains, so the projection part has norm at most one.

    theorem norm_preservationProjectionMatrix_le (W : Finset α) {p q : ℕ}
        (hW : W.card = p + q + 1) (e : α → H →L[ℂ] H)
        (he : ∀ a, IsStarProjection (e a)) (horth : ∀ a b, a ≠ b → e a * e b = 0) :
        ‖preservationProjectionMatrix W hW e‖ ≤ 1 := by
    …

    Mentions: OAI.KadisonKastler.preservationProjectionMatrix

  8. theorem OAI.KadisonKastler.rectangularOperator_norm_mul_le line 120
  9. def OAI.KadisonKastler.preservationAdjacency line 128
  10. def OAI.KadisonKastler.preservationSubsetMatrix line 133

    Source documentation

    Compression onto the centered GNS leg, including its scalar correction.

    def preservationSubsetMatrix (W : Finset α) {p q : ℕ}
        (hW : W.card = p + q + 1) (e : α → H →L[ℂ] H) (P : H →L[ℂ] H) (d : ℝ) :
        CStarMatrix (WordSubset W q) (WordSubset W p) (H →L[ℂ] H) :=
    …

    Mentions: OAI.KadisonKastler.WordSubset

  11. theorem OAI.KadisonKastler.norm_preservationSubsetMatrix_le line 140