Author

Ke-Wen Wu

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Preprint Oct 2026

Exponential quantum advantages for decoded quantum interferometry in the streaming setting

Decoded quantum interferometry (DQI) is a polynomial-time quantum algorithm introduced by Jordan et al. (Nature 2025). For a natural optimization problem, known as optimal polynomial intersection (OPI), it achieves approximation guarantees in regimes where all known classical algorithms require exponential time. Beside...

Ke-Wen Wu, Guang-Xu Yang · 0 citations

Preprint Sep 2026

Exponential quantum speedup for $\mathbb{F}_3^n$-Subset-Sum? Or, rigorous classical algorithms for Binary-Error LWE

We study vector subset sum over $\mathbb{F}_3^n$: given $m$ random vectors from $\mathbb{F}_3^n$, find a nonempty subset that sums to zero; the smaller $m$, the more difficult it is to find such a subset. Chen, Liu, and Zhandry (EUROCRYPT'22) introduced an efficient quantum algorithm that solves this problem when $m\ap...

Robin Kothari, Tony Metger, Ryan O'Donnell et al. · 0 citations