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English(EN) Properties and limitations of geometric tempering for gradient flow dynamics

新arXiv论文探讨梯度流动力学的几何退火

研究人员研究了将几何退火作为从概率分布采样的_一种方法,并将其视为一个优化问题。他们的工作分析了使用一系列移动目标对Wasserstein和Fisher-Rao梯度流的影响,并建立了指数收敛界限。该研究还考察了这些方法的_时间离散化版本,发现初始分布和目标分布的几何混合在Fisher-Rao情况下_并不能加速收敛。 AI

影响 为采样方法提供了理论见解,可能影响生成模型和优化领域的未来研究。

排序理由 这是一篇发表在arXiv上的研究论文,详细介绍了特定采样技术的理论性质和局限性。

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新arXiv论文探讨梯度流动力学的几何退火

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这是一篇发表在arXiv上的研究论文,详细介绍了特定采样技术的理论性质和局限性。
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报道来源 [1]

  1. arXiv stat.ML TIER_1 English(EN) · Sahani Pathiraja ·

    梯度流动力学的几何退火性质与局限性

    We consider the problem of sampling from a probability distribution $π$. It is well known that this can be written as an optimisation problem over the space of probability distributions in which we aim to minimise the Kullback--Leibler divergence from $π$. We consider the effect …