A generalized Grothendieck inequality and entanglement in XOR games

@misc{buhrman2009generalizedgrothendieckinequality,
      title={A generalized Grothendieck inequality and entanglement in XOR games},
      author={Harry Buhrman and Ben Toner and Jop Briët},
      year={2009},
      eprint={0901.2009},
      archivePrefix={arXiv},
      primaryClass={quant-ph},
      url={https://arxiv.org/abs/0901.2009},
}