Abstract:We analyze optimal, and approximately optimal, quantum strategies in two non-local settings based upon previous investigations of the XOR and CHSH games. By building upon previous arguments due to Ostrev in 2016, {\color{blue}[37]}, which characterized approximately optimal, and optimal, strategies that players Alice and Bob can adopt for increasing their respective winning probabilities, we identify additional applications of the framework for analyzing prospective quantum advantage in other game-theoretic settings. In particular, while it is possible for Alice and Bob to realize quantum advantage if they adopt strategies that are dependent upon entanglement, two-dimensional resource systems, and reversible transformations, the magnitude of the duality gap between the performance of classical and quantum strategies has not yet been classified from the perspective of error bounds. Such bounds are not only dependent upon the winning probability if Alice and Bob leverage entanglement in their strategies but also upon a suitably defined representation-theoretic intertwining operation.
From: Pete Rigas [view email]
[v1]
Tue, 21 Nov 2023 04:03:26 UTC (19 KB)
[v2]
Sat, 20 Apr 2024 06:25:38 UTC (19 KB)
[v3]
Wed, 7 Aug 2024 12:52:41 UTC (20 KB)
[v4]
Tue, 25 Aug 2026 09:38:02 UTC (47 KB)
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