Browsing by Author "Fuller, Adam H."

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    Boundary representations of operator spaces, and compact rectangular matrix convex sets
    (Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach, 2016) Fuller, Adam H.; Hartz, Michael; Lupini, Martino
    We initiate the study of matrix convexity for operator spaces. We dene the notion of compact rectangular matrix convex set, and prove the natural analogs of the Krein-Milman and the bipolar theorems in this context. We deduce a canonical correspondence between compact rectangular matrix convex sets and operator spaces. We also introduce the notion of boundary representation for an operator space, and prove the natural analog of Arveson's conjecture: every operator space is completely normed by its boundary representations. This yields a canonical construction of the triple envelope of an operator space.