Quantum capacity

Semidefinite programming strong converse bounds for classical capacity
We show a meaningful theory of classical communication over quantum channels when assisted by no-signalling (NS) and PPT-preserving …
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Converse Bounds for Classical Communication Over Quantum Broadcast Channels and Quantum Multi-Access Channels
We explore several new converse bounds for classical communication over quantum channels in both the one-shot and asymptotic regime. …
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Separation Between Quantum Lovász Number and Entanglement-Assisted Zero-Error Classical Capacity
Quantum Lovász number, as a natural generalization of the celebrated Lovśz number in graph theory, is the best known efficiently …
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Semidefinite programming converse bounds for classical communication over quantum channels
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A semidefinite programming upper bound of quantum capacity
© 2016 IEEE.Recently the power of positive partial transpose preserving (PPTp) and no-signalling (NS) codes in quantum communication …
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