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English(EN) Local and Global Contraction Principles for MCMC Mixing

新的 MCMC 框架使用收缩原理来界定混合时间

研究人员开发了一个新的框架来分析马尔可夫链蒙特卡洛 (MCMC) 算法,重点关注收缩原理。该框架利用 Eγ-散度下的全局和局部收缩系数来证明混合时间界限。该方法为投影 Langevin Monte Carlo 提供了直接的指数收敛证明,并为 Metropolis-Hastings 算法提供了热启动收敛界限,即使在重尾情况下也是如此。 AI

影响 这项研究引入了一个新颖的 MCMC 算法理论框架,有可能提高其在各种 AI 领域的效率和适用性。

排序理由 该集群包含一篇详细介绍 MCMC 算法新理论框架的学术论文。

在 arXiv stat.ML 阅读 →

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新的 MCMC 框架使用收缩原理来界定混合时间

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报道来源 [2]

  1. arXiv stat.ML TIER_1 English(EN) · Alireza Daeijavad, Shahab Asoodeh ·

    MCMC混合的局部和全局收缩原理

    arXiv:2606.03033v1 Announce Type: cross Abstract: We develop a contraction-based framework for proving mixing-time bounds for Markov chain Monte Carlo algorithms. The framework is built around global and local contraction coefficients of Markov kernels under the $\mathsf E_\gamma…

  2. arXiv stat.ML TIER_1 English(EN) · Shahab Asoodeh ·

    MCMC混合的局部和全局收缩原理

    We develop a contraction-based framework for proving mixing-time bounds for Markov chain Monte Carlo algorithms. The framework is built around global and local contraction coefficients of Markov kernels under the $\mathsf E_γ$-divergence with $γ\ge1$. For projected Langevin Monte…