Averaging principle and large deviation for multiple time-scale switching processes
作者:
时间:2022-05-09
阅读量:549次
  • 演讲人: 邵井海(天津大学应用数学中心 教授)
  • 时间:2022年05月15日 周日 14:30
  • 地点:腾讯会议 436-702-636
  • 主办单位:数据科学研究中心,统计学研究所

摘要:We investigate a system with two time-scales. The slow-scale system is described by a diffusion processes with small noise whose drifts and diffusion coefficients both depend on a fast-scale process. The fast-scale process is a continuous time jumping process on a finite state space, whose transition rates may depend on the slow-scale component. The slow-scale system approximates a deterministic dynamic system by averaging over the fast component. In this work we first provide conditions so that the averaging principle holds via a coupling method. Then, the large deviation principle is established using the nonlinear semigroup approach under two different slow-fast time-scale orders.

个人简介:邵井海,天津大学应用数学中心教授,博士生导师。2006年获得北京师范大学与法国第戎大学的理学博士学位。邵井海主要从事概率论遍历性理论、随机分析、随机微分方程方面的研究工作,在轨道空间和环空间上运输不等式、Monge-Kantorovich最优映射问题,以及带切换扩散过程长时间行为等问题的研究中取得了一些成果。

联系人:苏中根(suzhonggen@zju.edu.cn)


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