期刊
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
卷 52, 期 6, 页码 2112-2117出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-013-1505-7
关键词
Conditional mutual information; Commutator; Von Neumann entropy; Strong subadditivity (SSA)
资金
- Hangzhou Dianzi University [KYS075612038]
A simpler approach to the characterization of vanishing conditional mutual information is presented. Some remarks are given as well. More specifically, relating the conditional mutual information to a commutator is a very promising approach towards the approximate version of SSA. That is, it is conjectured that small conditional mutual information implies small perturbation of quantum Markov chain.
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