An explicit classical strategy for winning a game

A CHSH _q game is a generalization of the standard two player CHSH game, with q different input and output options. In contrast to the binary game, the best classical and quantum winning strategies are not known exactly. In this paper we provide a constructive classical strategy for winning a CHSH _...

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Main Authors: Matej Pivoluska, Martin Plesch
Format: Article
Language:English
Published: IOP Publishing 2016-01-01
Series:New Journal of Physics
Subjects:
Online Access:https://doi.org/10.1088/1367-2630/18/2/025013
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author Matej Pivoluska
Martin Plesch
author_facet Matej Pivoluska
Martin Plesch
author_sort Matej Pivoluska
collection DOAJ
description A CHSH _q game is a generalization of the standard two player CHSH game, with q different input and output options. In contrast to the binary game, the best classical and quantum winning strategies are not known exactly. In this paper we provide a constructive classical strategy for winning a CHSH _q game, with q being a prime. Our construction achieves a winning probability better than $\frac{1}{22}{q}^{-\frac{2}{3}}$ , which is in contrast with the previously known constructive strategies achieving only the winning probability of $O({q}^{-1})$ .
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spelling doaj.art-0de60cf89d294469bd729b9410d149d22023-08-08T14:28:02ZengIOP PublishingNew Journal of Physics1367-26302016-01-0118202501310.1088/1367-2630/18/2/025013An explicit classical strategy for winning a gameMatej Pivoluska0Martin Plesch1Faculty of Informatics, Masaryk University , Botanická 68a, 602 00 Brno, Czech RepublicFaculty of Informatics, Masaryk University , Botanická 68a, 602 00 Brno, Czech Republic; Institute of Physics , Slovak Academy of Sciences, Bratislava, SlovakiaA CHSH _q game is a generalization of the standard two player CHSH game, with q different input and output options. In contrast to the binary game, the best classical and quantum winning strategies are not known exactly. In this paper we provide a constructive classical strategy for winning a CHSH _q game, with q being a prime. Our construction achieves a winning probability better than $\frac{1}{22}{q}^{-\frac{2}{3}}$ , which is in contrast with the previously known constructive strategies achieving only the winning probability of $O({q}^{-1})$ .https://doi.org/10.1088/1367-2630/18/2/025013device independenceCHSH gameclassical-quantum gapbell Inequalities
spellingShingle Matej Pivoluska
Martin Plesch
An explicit classical strategy for winning a game
New Journal of Physics
device independence
CHSH game
classical-quantum gap
bell Inequalities
title An explicit classical strategy for winning a game
title_full An explicit classical strategy for winning a game
title_fullStr An explicit classical strategy for winning a game
title_full_unstemmed An explicit classical strategy for winning a game
title_short An explicit classical strategy for winning a game
title_sort explicit classical strategy for winning a game
topic device independence
CHSH game
classical-quantum gap
bell Inequalities
url https://doi.org/10.1088/1367-2630/18/2/025013
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