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A coupling approach in the computation of geometric ergodicity for stochastic dynamics

发布时间:2022-01-13 浏览量:61

时   间:  2022-01-13 14:00 — 15:00

地   点:  腾讯会议 APP3()
报告人:  王式柔
单   位:  University of Alberta
邀请人:  王晓东
备   注:  腾讯会议:733-183-026 会议密码:123456
报告摘要:  

This talk introduces a probabilistic approach to numerically compute geometric convergence rates in discrete or continuous stochastic systems. By choosing appropriate coupling mechanisms and combining them together, this approach works well in many settings, especially in high-dimensions. It is particularly observed that the rate of geometric ergodicity of a randomly perturbed system can, to some extent, reveal the degree of chaoticity of the unperturbed system. This is a joint work with Yao Li.