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quant-ph2026
An Explicit Counterexample to Tsirelson's Problem via a Linear System Game
Minbo Gao, Tianshi Yu, Lihong Zhi
We construct an explicit binary linear system game that separates , the closure of the set of finite dimensional quantum correlations, from , the set of commuting o…
quant-ph2025
A Noncommutative Nullstellensatz for Perfect Two-Answer Quantum Nonlocal Games
Tianshi Yu, Lihong Zhi
This paper introduces a noncommutative version of the Nullstellensatz, motivated by the study of quantum nonlocal games. It has been proved that a two-answer nonlocal game with a p…