175 citations · 1.6k across the 65 of their papers we have counts for
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quant-ph2013★ 28 cited
Binary Constraint System Games and Locally Commutative Reductions
Zhengfeng Ji
A binary constraint system game is a two-player one-round non-local game defined by a system of Boolean constraints. The game has a perfect quantum strategy if and only if the cons…
quant-ph2013★ 42 cited
Symmetric Extension of Two-Qubit States
Jianxin Chen, Zhengfeng Ji, David Kribs +2
Quantum key distribution uses public discussion protocols to establish shared secret keys. In the exploration of ultimate limits to such protocols, the property of symmetric extend…
quant-ph2013★ 4 cited
Symmetries of Codeword Stabilized Quantum Codes
Salman Beigi, Jianxin Chen, Markus Grassl +3
Symmetry is at the heart of coding theory. Codes with symmetry, especially cyclic codes, play an essential role in both theory and practical applications of classical error-correct…