Universal Quantum Information Compression

@article{Jozsa1998UniversalQI,
  title={Universal Quantum Information Compression},
  author={R. Jozsa and M. Horodecki and P. Horodecki and R. Horodecki},
  journal={Physical Review Letters},
  year={1998},
  volume={81},
  pages={1714-1717}
}
Suppose that a quantum source is known to have von Neumann entropy less than or equal to S but is otherwise completely unspecified. We describe a method of universal quantum data compression which will faithfully compress the quantum information of any such source to S qubits per signal (in the limit of large block lengths). 
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