Tensor products of positive maps of matrix algebras
Operator Algebras
2011-02-09 v1
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.
Cite
@article{arxiv.1101.2114,
title = {Tensor products of positive maps of matrix algebras},
author = {Erling Størmer},
journal= {arXiv preprint arXiv:1101.2114},
year = {2011}
}