摘要
假定(X,‖·‖)实Banach空间,X*为其对偶空间,X*可分。本文给出了集值上鞅一种新形式的Doob分解,利用支撑函数研究了集值上鞅具有这种形式Doob分解的一个充要条件及充分条件。
Throughout this paper, (X, ||·||) denotes a real Banach space, whose dual space is X * , and X * is also separable. First of all, a new method of Doob decomposition for set-valued supermartingale is presented in this paper. Furthermore, we have discussed one sufficient and necessary conditions of Doob decomposition for set-valued supermartingale by using support function.
作者
李海鹏
李高明
LI Hai-peng;LI Gao-ming(Xian Electronic Engineering Reserch Institute,Xian 710100,China;Dept.Math.Engineering College of the Armed Police Force,Xian 710086,China)
出处
《模糊系统与数学》
北大核心
2018年第4期101-105,共5页
Fuzzy Systems and Mathematics
基金
武警工程大学基础研究基金资助项目(WJY201408)
关键词
集值(上)鞅
DOOB分解
集值可料增过程
支撑函数
Set-valued (Super) Martingale
Doob Decomposition
Set-valued Predictable Increase Process
Support Function