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Li-Long Qian

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Preprint Aug 2026

Separable Counterexamples to Complementary Quantum Correlations, and Why Random Search Missed Them

The complementary quantum correlations (CQC) relation bounds the sum of two classical mutual informations, obtained from local mutually unbiased measurements, by the quantum mutual information of the premeasurement state. We refute it. Separable rank-two counterexamples exist in every local dimension pair \(m\times n\)...

Li-Long Qian · 0 citations