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arXiv · 1201.5995

A class of exposed indecomposable positive maps

Gniewomir Sarbicki·Dariusz Chruściński
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Abstract

Exposed positive maps in matrix algebras define a dense subset of extremal maps. We provide a class of indecomposable positive maps in the algebra of 2n x 2n complex matrices with n>1. It is shown that these maps are exposed and hence define the strongest tool in entanglement theory to discriminate between separable and entangled states.

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Gniewomir Sarbicki, Dariusz Chruściński. 2012-01-28. A class of exposed indecomposable positive maps. https://doi.org/10.1088/1751-8113/46/1/015306

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