Tensor products of positive maps of matrix algebras

Published 11 Jan 2011 in math.OA | (1101.2114v1)

Abstract: We give conditions for when the tensor product of two positive maps between matrix algebras is a positive map. This happens when one map belongs to a symmetric mapping cone and the other to the dual cone. Necessary and sufficient conditions are given.

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Authors (1)

Erling Størmer

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