大当 Tsinghua Universit ∩(Ak)=im 1,=lim sup n=1 k=n n→00 U( Ak=lim A=lim inf A 如果mAn=iA n→>0 n→>0 则定义lnA= lin a=limA n→) n→>O n->o0 n 2021/220 应用随机过程讲义第一讲 102021/2/20 应用随机过程讲义 第一讲 10 lim lim lim . lim lim ( ) lim lim inf ( ) lim lim sup 1 1 n n n n n n n n n n n n n n k n k n n n n n k n k n A A A A A A A A A A A →  → → → → →  =  = →  =  = = = =   = =   = = 则定义 如果