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Paper detail

Quantum strategies are better than classical in almost any XOR game

We initiate a study of random instances of nonlocal games. We show that quantum strategies are better than classical for almost any 2-player XOR game. More precisely, for large n, the entangled value of a random 2-player XOR game with n questions to every player is at least 1.21... times the classical value, for 1-o(1) fraction of all 2-player XOR games.

preprint2011arXivOpen access
Andris AmbainisArturs BackursKaspars BalodisDmitry KravcenkoRaitis OzolsJuris SmotrovsMadars Virza
Computer Science and Game Theoryquant-ph
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Andris AmbainisArturs BackursKaspars BalodisDmitry KravcenkoRaitis OzolsJuris SmotrovsMadars Virza

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