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Published December 2012 | Published
Journal Article Open

Operator extension of strong subadditivity of entropy

Kim, Isaac H.

Abstract

We prove an operator inequality that extends strong subadditivity of entropy: after taking a trace, the operator inequality becomes the strong subadditivity of entropy.

Additional Information

© 2012 American Institute of Physics. Received 22 October 2012; accepted 5 November 2012; published online 30 November 2012. This research was supported in part by NSF (Grant No. PHY-0803371), by ARO (Grant No. W911NF-09-1-0442), and DOE (Grant No. DE-FG03-92-ER40701). I would like to thank Alexei Kitaev for introducing Effros' work.

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