2 papers
math.OA2026
Compact convex sets and bases--classical and noncommutative
David P. Blecher, Christiaan H. Pretorius
Matrix and noncommutative convexity constitute an important area of modern noncommutative analysis and have found significant applications in mathematical physics. In the first par…
math.OA2026
Real decomposable maps on operator systems
David P. Blecher, Christiaan H. Pretorius
We initiate and study the theory of ``real decomposable maps" between real operator systems. Formally, this is new even in the complex case, which hitherto has restricted itself to…