Locality and Information Transfer in Quantum Operations

@article{Schumacher2005LocalityAI,
  title={Locality and Information Transfer in Quantum Operations},
  author={Benjamin Schumacher and Michael D. Westmoreland},
  journal={Quantum Information Processing},
  year={2005},
  volume={4},
  pages={13-34}
}
We investigate the situation in which no information can be transferred from a quantum system B to a quantum system A, even though both interact with a common system C.