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Understanding the basic building blocks of quantum information

Dr Jonathan Oppenheim ( DAMTP, University of Cambridge )
In classical information theory, the basic building blocks (entropy, conditional entropy, mutual information) are well understood.  In quantum information theory, one can have cases where information can be negative, where the amount of information that two parties don't know is less than the amount that one party doesn't know, and where the notion of quantum privacy places a crucial role.  In this talk, I'll review some of the recent results in a field which is sometimes called Quantum Shannon Theory, and then discuss some open problems.



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