A Class of Extremal Positive Maps in 3 × 3 Matrix Algebras

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Abstract

We shall provide a large class of extremal positive maps in M3(C) which are neither 2-positive nor 2-copositive and study the algebraic structure of the set of all positive linear maps in M3(C). © 1992, Research Institute forMathematical Sciences. All rights reserved.

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Osaka, H. (1992). A Class of Extremal Positive Maps in 3 × 3 Matrix Algebras. Publications of the Research Institute for Mathematical Sciences, 28(5), 747–756. https://doi.org/10.2977/prims/1195167934

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