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English(EN) On the Complexity of Entrywise Power Matrix Factorization

逐项幂次矩阵分解的复杂性已映射

研究人员分析了逐项幂次矩阵分解(EPMF)的计算复杂性,这是一种用于寻找低秩矩阵的方法。他们为精确和近似情况都建立了完整的复杂性图景。在精确场景下,EPMF被证明等同于涉及矩阵符号翻转的“符号问题”,该问题被证明是强NP难的,但对于固定秩可以在多项式时间内解决。对于使用Frobenius范数的近似EPMF,即使是最简单的非平凡秩为二的情况,该问题也是NP难的。 AI

影响 为与机器学习算法相关的矩阵分解技术建立了理论极限。

排序理由 该集群包含两篇相同的arXiv预印本,详细介绍了一篇关于计算复杂性的新研究论文。

在 arXiv stat.ML 阅读 →

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逐项幂次矩阵分解的复杂性已映射

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该集群包含两篇相同的arXiv预印本,详细介绍了一篇关于计算复杂性的新研究论文。
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报道来源 [2]

  1. arXiv stat.ML TIER_1 English(EN) · Nicolas Gillis, Subhayan Saha, Stefano Sicilia, Arnaud Vandaele ·

    关于逐项幂次矩阵分解的复杂性

    arXiv:2607.04875v1 Announce Type: cross Abstract: Given a nonnegative matrix $X$, a factorization rank $r$ and a real parameter $p$, entrywise power matrix factorization (EPMF) looks for a low-rank matrix $X_r$ such that $X = |X_r|^{\circ p}$ (exact case) or $X \approx |X_r|^{\ci…

  2. arXiv stat.ML TIER_1 English(EN) · Arnaud Vandaele ·

    关于逐项幂次矩阵分解的复杂性

    Given a nonnegative matrix $X$, a factorization rank $r$ and a real parameter $p$, entrywise power matrix factorization (EPMF) looks for a low-rank matrix $X_r$ such that $X = |X_r|^{\circ p}$ (exact case) or $X \approx |X_r|^{\circ p}$ (approximate case), where $(\cdot)^{\circ p…