Extensions of the quantum Fano inequality
arXiv:0804.0529 · doi:10.1103/PhysRevA.78.012322
Abstract
Quantum Fano inequality (QFI) in quantum information theory provides an upper bound to the entropy exchange by a function of the entanglement fidelity. We give various Fano-like upper bounds to the entropy exchange and QFI is a special case of these bounds. These bounds also give an alternate derivation of the QFI.
8 pages, 2 figures, took care of referees' comments, to appear in Physical Review A
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