A NOTE ON THE COMPARISON OF STATIONARY LAWS OF MARKOV-PROCESSES

被引:1
|
作者
PFLUG, GC [1 ]
机构
[1] UNIV VIENNA,INST STAT & INFORMAT,A-1010 VIENNA,AUSTRIA
关键词
MARKOV PROCESSES; NONLINEAR MULTIVARIATE AUTOREGRESSIVE PROCESSES; DEGREE OF CONCENTRATION; COMPARISON THEOREM;
D O I
10.1016/0167-7152(91)90044-R
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
Let {X(n)}, {Y(n)} be Markov process on R(k), satisfying X(n+1) = T1(X(n)) + Z(n), Y(n+1) = T2(Y(n)) + Z(n), where {Z(n)} are i.i.d random variables. Let mu-X resp. mu-Y be the stationary distributions of {X(n)} resp. {Y(n)}. We introduce an order relation for probabilities measuring the degree of concentration around zero and derive a result connecting this degree of concentration with properties of the functions T(i) and the distribution of {Z(n)}. Our theorem generalizes a known result for the univariate case which was given by Hognas (1986).
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页码:331 / 334
页数:4
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