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The Purification of Completely Positive Maps
Author(s) -
Demoen Bart
Publication year - 1982
Publication title -
bulletin of the london mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.396
H-Index - 48
eISSN - 1469-2120
pISSN - 0024-6093
DOI - 10.1112/blms/14.6.545
Subject(s) - orthogonality , mathematics , combinatorics , pure mathematics , geometry
We generalize the concept of purification of states to completely positive maps and prove that a CP map has a purification if and only if it is orthogonality preserving.
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