Elements of information theory
Elements of information theory
Quantum computation and quantum information
Quantum computation and quantum information
An information theoretical model for quantum secret sharing
Quantum Information & Computation
Conditions for the approximate correction of algebras
TQC'09 Proceedings of the 4th international conference on Theory of Quantum Computation, Communication, and Cryptography
Optimal state merging without decoupling
TQC'09 Proceedings of the 4th international conference on Theory of Quantum Computation, Communication, and Cryptography
Fidelity as a figure of merit in quantum error correction
Quantum Information & Computation
Identification via quantum channels
Information Theory, Combinatorics, and Search Theory
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The errors that arise in a quantum channel can be corrected perfectly if and only if the channel does not decrease the coherent information of the input state. We show that, if the loss of coherent information is small, then approximate quantum error correction is possible.PACS: 03.67.H, 03.65.U