摘要
It is our great pleasure to present the third special issue for the Markov Processes and Related Topics,on the occasion of the 20th anniversary of the Research Center for Stochastics of Beijing Normal University(BNU),supported by the innovative research group project of the National Natural Science Foundation of China.In 2002,the Research Center for Stochastics started toorganize'Workshop on Markov Processes and Related Topics'.During the past 20 years,the workshop held almost each year except some special situations(for example,2003 SARS and 2020 COVID-19).Among the 16 workshops,11 of them were or will be co-organized with some universities out of Beijing。