OAI/Analysis/KadisonKastler/CentralDefectProjectionCut.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Projection cuts from general approximately central contractions
Real and imaginary parts reduce the contraction to the self-adjoint spectral-cut argument. The constants retain a uniform positive gap.
- theorem
OAI.KadisonKastler.exists_projection_gap_of_central_defectline 20