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p>2时所有lp范数下SVP的多项式因子确定性NP-难解性

Polynomial-Factor Deterministic NP-Hardness for SVP in Every lp Norm with p > 2

Isaac M Hair, Amit Sahai

arXiv 2608.14529首次发表:更新:

AI 中文总结

该研究针对p>2的所有lp范数,给出从3SAT到M^ε-GapSVP_p的确定性多项式时间归约,证明对应SVP问题的多项式因子确定性NP-难解性。

AI 中文摘要

对于每个常数2<p<∞及每个常数0<ε<min{(p-2)/(4p),1/8},我们给出从3SAT到M^ε-GapSVP_p的确定性多项式时间归约,其中M为格的秩;对于p=∞,每个常数0<ε<1/8时同样成立。该归约基于OpenAI的多项式间隙CVP构造,以及Hair和Sahai[STOC'26]针对p>2的直接SVP归约。

英文摘要

For every constant $2<p<\infty$ and every constant \[ 0<\varepsilon< \min\left\{\frac{p-2}{4p},\frac18\right\}, \] we show that the $\ell_p$-shortest vector problem for lattices of rank $M$ is NP hard to approximate within a factor of $M^\varepsilon$, via a deterministic reduction. For $p=\infty$, the same holds for every constant $0<\varepsilon<1/8$. The reduction builds on the polynomial-gap CVP construction of OpenAI [OpenAI 2026] and the direct reduction to SVP for $p>2$ of Hair and Sahai [STOC'26].

论文原文

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