Manuscript Oai272-A@1 · Oai272-A.tex · section · a40828a0
The represented class
Stage 0: conventions and the operational package › The represented class · lines 361–368
PPT is only a consequence of the representation. It is not a substitute for the representing maps in the four-effect proof below. Positive key from some PPT bound-entangled states is established in the literature HHHO2005,HHHO2009.