Communications in Mathematical Physics

, Volume 311, Issue 1, pp 97–111 | Cite as

Entanglement can Increase Asymptotic Rates of Zero-Error Classical Communication over Classical Channels

  • Debbie Leung
  • Laura Mancinska
  • William MatthewsEmail author
  • Maris Ozols
  • Aidan Roy


It is known that the number of different classical messages which can be communicated with a single use of a classical channel with zero probability of decoding error can sometimes be increased by using entanglement shared between sender and receiver. It has been an open question to determine whether entanglement can ever increase the zero-error communication rates achievable in the limit of many channel uses. In this paper we show, by explicit examples, that entanglement can indeed increase asymptotic zero-error capacity, even to the extent that it is equal to the normal capacity of the channel.


Dynkin Diagram Classical Channel Shannon Capacity Irreducible Root System Kneser Graph 
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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Debbie Leung
    • 1
  • Laura Mancinska
    • 1
  • William Matthews
    • 1
    Email author
  • Maris Ozols
    • 1
  • Aidan Roy
    • 1
  1. 1.Institute for Quantum ComputingUniversity of WaterlooWaterlooCanada

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