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Yong-Zhen Xu

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Preprint Sep 2026

Quantum Approximate Counting with Bernoulli Oracles

Quantum counting is a fundamental quantum algorithm that estimates the fraction of marked elements using a membership oracle, achieving a quadratic speedup over classical sampling. The membership oracle, however, assumes exact labeling of each element, but this assumption fails when the labels are inherently probabilis...

Chen Gao, Yong-Zhen Xu, Lvzhou Li · 0 citations
Preprint Aug 2026

Quantum Speedups for Testing Similar Means

Property testing of distributions is a central topic in information theory, learning theory, and statistics. While quantum algorithms are known to offer significant speedups for property testing of a single distribution or a pair of distributions, it is unclear whether quantum algorithms provide speedups for property t...

Chen Gao, Yong-Zhen Xu, Shenggen Zheng et al. · 1 citation

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