序空间上的算子系结构
Operator system structures on ordered spaces
摘要:
给定一个阿基米德序单位空间(V,V^+,e),我们构造了一个极小算子系统OMIN(V)和一个极大算子系统OMAX(V),它们是赋范空间的极小和极大算子空间的类似物.我们发展了这些算子系统的一些关键性质,并在刻画算子系统S完全有界同构于OMIN(S)或OMAX(S)时取得了一些进展。然后我们将这些概念应用到纠缠破缺映射的研究中。我们证明了矩阵代数的一个从OMIN(M_n)到OMAX(M_m)的线性映射是完全正的当且仅当它是纠缠破缺的。
英文摘要:
Given an Archimedean order unit space (V,V^+,e), we construct a minimal operator system OMIN(V) and a maximal operator system OMAX(V), which are the analogues of the minimal and maximal operator spaces of a normed space. We develop some of the key properties of these operator systems and make some progress on characterizing when an operator system S is completely boundedly isomorphic to either OMIN(S) or to OMAX(S). We then apply these concepts to the study of entanglement breaking maps. We prove that for matrix algebras a linear map is completely positive from OMIN(M_n) to OMAX(M_m) if and only if it is entanglement breaking.
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