直线上不稳定平衡点的逸出时间尾部
概率论
2020-07-22 v2 动力系统
摘要
对于一维光滑向量场在不稳定平衡点邻域内的情形,我们考虑受小噪声扰动的关联动力学。我们给出一个揭示性的初等证明,此前该结果由 Malliavin 微积分的重型工具所证明。特别地,我们得到了逸出时间尾部和在异常长逸出条件下逸出分布的精确消失噪声渐近。
引用
@article{arxiv.1810.05341,
title = {Tails of exit times from unstable equilibria on the line},
author = {Yuri Bakhtin and Zsolt Pajor-Gyulai},
journal= {arXiv preprint arXiv:1810.05341},
year = {2020}
}
备注
20 pages; the main difference with the previous version is a new section on noisy heteroclinic networks which are the main motivation for the present study