On k-decomposability of positive maps
classification
🧮 math-ph
math.MPmath.OA
keywords
mapstheorymodularpositivedecomposabledescriptiondetailedestablished
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We extend the theory of decomposable maps by giving a detailed description of k-positive maps. A relation between transposition and modular theory is established. The structure of positive maps in terms of modular theory (the generalized Tomita-Takesaki scheme) is examined.
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