一维动力系统随机小扰动的突变收敛
概率论
2023-05-08 v1 数学物理
动力系统
math.MP
摘要
我们研究一维动力系统的一族随机小扰动的截断(cut-off)现象。我们关注一个确定性微分方程的半流,其动力学被叠加了小方差白噪声而受到扰动。在对势函数作适当假设下,我们证明该受扰随机微分方程族相对于全变距离呈现出轮廓截断(profile cut-off)现象。我们还证明了在多阱势的局部极小值(亚稳态)邻域内存在局部截断现象。
引用
@article{arxiv.1511.00003,
title = {Abrupt convergence for stochastic small perturbations of one dimensional dynamical systems},
author = {Gerardo Barrera and Milton Jara},
journal= {arXiv preprint arXiv:1511.00003},
year = {2023}
}
备注
28 pages. arXiv admin note: substantial text overlap with arXiv:1510.09207; text overlap with arXiv:math/0601771 by other authors