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SUMMARY:One-shot entropies from thermodynamics - Renner\, R (ETH Zrich)
DTSTART:20131205T140000Z
DTEND:20131205T150000Z
UID:TALK49212@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Long before their use in information theory\, entropies have b
 een introduced in thermodynamics. One may therefore wonder whether thermod
 ynamics could also provide some guidance for the definition of one-shot en
 tropies. It turns out that this is indeed the case: starting from an opera
 tional definition of entropy for thermal systems in the one-shot regime\, 
 we obtain a sensible entropy measure with applications in one-shot informa
 tion theory. In particular\, it automatically satisfies the data processin
 g inequality and a chain rule. In my talk\, I will show some recent advanc
 es as well as challenges of this research programme.\n
LOCATION:Seminar Room 2\, Newton Institute Gatehouse
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