A Class of Extremal Positive Maps in $3 \times 3$ Matrix Algebras

Hiroyuki Osaka

Source record

Source: Crossref

Published: Oct 31, 1992

DOI: 10.2977/prims/1195167934

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Source abstract

We shall provide a large class of extremal positive maps in M_3(\mathbf C) which are neither 2-positive nor 2-copositive and study the algebraic structure of the set of all positive linear maps in M_3(\mathbf C) .

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