OAI/Analysis/KadisonKastler/DiagonalDecomposition.lean
2 declarations, 0 contain sorry, 0 declared as axioms
The real-line diagonal-commutant decomposition
The local representatives determine a bounded operator on the rational core at almost every point. The pointwise difference bound then proves that the resulting field represents the original operator on every L2 vector, without choosing an uncountable common conull set.
- theorem
OAI.KadisonKastler.exists_diagonalField_of_commute_indicatorsline 25 - theorem
OAI.KadisonKastler.publishedRealDiagonalDecompositionline 75Source documentation
Blackadar III.1.6.2--3, for the exact constant Hilbert field over Lebesgue measure required by the regular-core argument.
theorem publishedRealDiagonalDecomposition : PublishedRealDiagonalDecomposition.{u} := by …