math-ph math.FA math.MP math.OA 47A55 (Primary) 15A27, 15A60, 46L05, 46L60, 47A60, 47B15, 47B37,
  47B93, 81P15, 81R05, 81S07 (Secondary)
Constructing Nearby Commuting Matrices for Ogata's Theorem on Macroscopic Observables
David Herrera