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Families of completely positive mappings

✍ Scribed by S. P. Gudder

Publisher
Springer
Year
1979
Tongue
English
Weight
387 KB
Volume
18
Category
Article
ISSN
0020-7748

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πŸ“œ SIMILAR VOLUMES

Decomposition of Completely Positive Map
Decomposition of Completely Positive Maps
✍ Michael Paul πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 518 KB

## Abstract The paper is concerned with completely positive maps on the algebra of unbounded operatore __L__+(__D__) and on its completion __L__(D, D^+^). A decomposition theorem for continuous positive functionals is proved in [Tim. Loef.), and [Scholz 91] contains a generalization to maps into op

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✍ Chi-Kwong Li; Hugo J. Woerdeman πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 642 KB

Characterizations are given for the positive and completely positive maps on n x 1~ complex matrices that leave invariant the diagonal entries or the kth elementary symmetric function of the diagonal entries, 1 < k < n. In addition, it is shown that such a positive map is always decomposable if n <