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一个连续时间序贯问题的Bayes解
引用本文:刘力平. 一个连续时间序贯问题的Bayes解[J]. 北京大学学报(自然科学版), 2001, 37(5): 630-638
作者姓名:刘力平
作者单位:北京大学数学科学学院,北京 100871
基金项目:国家自然科学基金;10071004;
摘    要:假设检验的Bayes序贯决策问题往往可用最优停止理论解决.利用随机过程的一般理论证明了连续时间情形下上问题Bayes解的存在性。作为一个实例,找出了区分两个指数分布的Bayes解的具体形式,并说明解的唯一性在最一般的条件下不成立。

关 键 词:停时  拟左连续性  可料投影  Bayes判决法则  
收稿时间:2000-09-08

Bayes Solution to A Continuous Time Sequential Problem
LIU Liping. Bayes Solution to A Continuous Time Sequential Problem[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2001, 37(5): 630-638
Authors:LIU Liping
Affiliation:School of Mathematical Sciences, Peking University, Beijing, 100871
Abstract:The problem of Bayes sequential decision rules to hypothesis testing is often reduced to the problem of optimal stopping.In continuous time situation,the existence of Bayes solution is proved by using the general stochastic process theory.In distinguishing among two exponential distributions,the Bayes solutions are found out in different situations as an example,which also shows that the uniqueness of solution does not hold in general.
Keywords:stopping time  quasi left continuity  predictable projection  Bayes decision rule
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