Partial transposition and nonextendible maps |
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Authors: | P Kruszyński S L Woronowicz |
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Institution: | (1) Department of Mathematical Methods in Physics, University of Warsaw, Ho a 74, 00-682 Warszawa, Poland |
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Abstract: | The wide class of nonextendible positive maps inC
*-algebras 1, 3] is studied. An example is given showing that the set of nonextendible positive maps betweenC
*-algebras
and
is not closed inL(
) in the weak topology. |
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Keywords: | |
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