@article{Lucas-Dixon:2009yq,
  title = "Graphical Reasoning in Compact Closed Categories for Quantum Computation",
  author = "Lucas Dixon and Ross Duncan",
  year = "2009",
  journal = "Annals of Mathematics and Artificial Intelligence",
  keywords = "categorical quantum mechanics; compact closed categories; rewriting; graphical calculi",
  note = "preprint available at http://arxiv.org/abs/0902.0514",
  doi = "10.1007/s10472-009-9141-x",
}