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理学院2018-2019学年秋季第四周学术报告(1)

发布时间:2018-09-27

报告题目:Spine decompositions and limit theorems for a class of critical superprocesses

 

报告学者:孙振尧

 

报告者单位北京大学

 

报告时间2018年9月28日(星期五)上午10:00—11:00

 

 

报告地点思源105

 

摘要:We first  establish a spine decomposition theorem and a 2-spine decomposition theorem for some critical superprocesses. These two kinds of decompositions are unified as a decomposition theorem for size-biased Poisson random measures. Then we use these decompositions to give probabilistic proofs of the asymptotic behavior of the survival probability and Yaglom's exponential limit law for some critical superprocesses. This is a joint work with Yan-Xia Ren and Renming Song.

 

主办教师:刘荣丽

 

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