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English(EN) On the Optimisation Landscape of Overparameterised Weighted MMD

新研究详细介绍了加权MMD的优化景观

研究人员分析了加权原子测度的最大均值差异(MMD)的优化景观。对于一维高斯核,他们证明了在粒子数量足够的情况下,所有局部最小值都能达到接近零的MMD。此外,任何MMD非零的驻点在无权梯度流下是不稳定的。这些发现适用于约束和无约束权重,并对有限支撑的目标分布有特定的加强,确保在超过粒子阈值后没有虚假的局部最小值。 AI

影响 为机器学习中使用的优化方法提供了理论保证,有可能提高模型训练效率。

排序理由 该集群包含一篇详细介绍机器学习优化新理论发现的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新研究详细介绍了加权MMD的优化景观

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该集群包含一篇详细介绍机器学习优化新理论发现的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Tharrshann Jayan Logarajah, Jeremias Knoblauch, Louis Sharrock ·

    关于过参数加权MMD的优化景观

    arXiv:2610.19861v1 Announce Type: cross Abstract: We study the optimisation landscape of the maximum mean discrepancy (MMD) over weighted atomic measures. For the one-dimensional Gaussian kernel, we show that, for any compactly supported target distribution, sufficiently many par…