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arXiv 2011.10778math.NAcs.NA
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二阶相互作用粒子系统的随机批处理方法

On the Random Batch Method for second order interacting particle systems

Shi Jin, Lei Li, Yiqun Sun

摘要:

研究了二阶相互作用粒子系统随机批处理方法中的几个重要问题。我们首先证明了在适当的压缩条件下二阶系统的一致时间强收敛性。其次,我们提出了基于核分裂策略的奇异相互作用核RBM的应用,并数值研究了RBM在分子动力学中的应用。

英文摘要:

We investigate several important issues regarding the Random Batch Method (RBM) for second order interacting particle systems. We first show the uniform-in-time strong convergence for second order systems under suitable contraction conditions. Secondly, we propose the application of RBM for singular interaction kernels via kernel splitting strategy, and investigate numerically the application to molecular dynamics.

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