On the mean field limit of the Random Batch Method for interacting particle systems
On the mean field limit of the Random Batch Method for interacting particle systems
复制标题
关于相互作用粒子系统的随机批处理方法的平均场极限
DOI:
10.1007/s11425-020-1810-6
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发表时间:
2020-05
期刊:
影响因子:
--
通讯作者:
Li Lei
中科院分区:
文献类型:
--
作者:
Jin Shi;Li Lei
The Random Batch Method proposed in our previous work (Jin et al. J Comput Phys, 2020) is not only a numerical method for interacting particle systems and its mean-field limit, but also can be viewed as a model of the particle system in which particles interact, at discrete time, with randomly selected mini-batch of particles. In this paper, we investigate the mean-field limit of this model as the number of particles N ! 1. Unlike the classical mean field limit for interacting particle systems where the law of large numbers plays the role and the chaos is propagated to later times, the mean field limit now does not rely on the law of large numbers and the chaos is imposed at every discrete time. Despite this, we will not only justify this mean-field limit (discrete in time) but will also show that the limit, as the discrete time interval τ→ 0, approaches to the solution of a nonlinear Fokker-Planck equation arising as the mean-field limit of the original interacting particle system in the Wasserstein distance.
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DOI:
10.1137/20m1327641
发表时间:
2020-03
期刊:
SIAM J. Numer. Anal.
影响因子:
--
作者:
Shi Jin;Lei Li;Jian-Guo Liu
通讯作者:
Jian-Guo Liu
影响因子:
2.6
作者:
N. Fournier;M. Hauray;S. Mischler
通讯作者:
N. Fournier;M. Hauray;S. Mischler
影响因子:
--
作者:
Y. Achdou;P. Cardaliaguet;François Delarue;A. Porretta;Filippo Santambrogio
通讯作者:
Y. Achdou;P. Cardaliaguet;François Delarue;A. Porretta;Filippo Santambrogio
DOI:
10.1007/978-3-642-01492-5_2
发表时间:
2009
期刊:
--
影响因子:
--
作者:
Z. Ésik;Z. Ésik
通讯作者:
Z. Ésik;Z. Ésik
影响因子:
3
作者:
P. Degond;Maximilian Engel
通讯作者:
P. Degond;Maximilian Engel