2013/04/24 by Bebe Prunaru, Prunaru, Bebe
Mathematics · #46L07 #Advanced Banach Space Theory #Advanced Operator Algebra Research #Advanced Topics in Algebra #FOS: Mathematics #Operator Algebras (math.OA) #math.OA #msc:46L07
paper · pdf · doi:10.48550/arxiv.1304.6664
1 page, minor corrections
openalex publication_date 2013/04/24 · arxiv created 2013/04/26 · arxiv updated 2013/04/29 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
A short proof is given for the well-known Choi-Effros theorem on the structure of ranges of completely positive projections.