摘要
本文讨论了两参数过份函数的部分性质,得到了:若f为两参数过份函数,则对几乎每一个w,tf(Xt(w))是方向右连续且有方向左权限.
In this paper, some important properties of two-parameter a-excessive functions are discussed.Furthermoke, it is verified that the function t f(xt (w)) are direction-right-continuous and direction-left-limiting.
出处
《经济数学》
1999年第1期48-51,共4页
Journal of Quantitative Economics
关键词
两参数过程
过份函数
位势
Two-parameter processes, excessive function, potential.