Mean Field Limits for Interacting Diffusions in a Two-Scale Potential.
Mean Field Limits for Interacting Diffusions in a Two-Scale Potential.
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DOI:
10.1007/s00332-017-9433-y
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发表时间:
2018
影响因子:
3
通讯作者:
Pavliotis GA
中科院分区:
文献类型:
--
作者:
Gomes SN;Pavliotis GA
In this paper, we study the combined mean field and homogenization limits for a system of weakly interacting diffusions moving in a two-scale, locally periodic confining potential, of the form considered in Duncan et al. (Brownian motion in an N-scale periodic potential, arXiv:1605.05854,). We show that, although the mean field and homogenization limits commute for finite times, they do not, in general, commute in the long time limit. In particular, the bifurcation diagrams for the stationary states can be different depending on the order with which we take the two limits. Furthermore, we construct the bifurcation diagram for the stationary McKean–Vlasov equation in a two-scale potential, before passing to the homogenization limit, and we analyze the effect of the multiple local minima in the confining potential on the number and the stability of stationary solutions.
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