Physics – Quantum Physics
Scientific paper
2010-12-21
IEEE Transactions on Information Theory 57, 7377 (2011)
Physics
Quantum Physics
8 pages, 2 figures. v2: final version for publication
Scientific paper
10.1109/TIT.2011.2162226
We show that optimal protocols for noisy channel coding of public or private information over either classical or quantum channels can be directly constructed from two more primitive information-theoretic tools: privacy amplification and information reconciliation, also known as data compression with side information. We do this in the one-shot scenario of structureless resources, and formulate our results in terms of the smooth min- and max-entropy. In the context of classical information theory, this shows that essentially all two-terminal protocols can be reduced to these two primitives, which are in turn governed by the smooth min- and max-entropies, respectively. In the context of quantum information theory, the recently-established duality of these two protocols means essentially all two-terminal protocols can be constructed using just a single primitive.
Renes Joseph M.
Renner Renato
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