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EXISTENCE OF NONTRIVIAL QUASI-STATIONARY DISTRIBUTIONS IN THE BIRTH-DEATH CHAIN
被引:27
|作者:
FERRARI, PA
MARTINEZ, S
PICCO, P
机构:
[1] UNIV CHILE,SANTIAGO,CHILE
[2] CNRS,CTR PHYS THEOR,LUMINY,FRANCE
关键词:
MARKOV CHAINS;
NORMALIZED QUASI-STATIONARY DISTRIBUTION;
BIRTH AND DEATH PROCESS;
D O I:
10.2307/1427713
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:
We study conditions for the existence of non-trivial quasi-stationary distributions for the birth-and-death chain with 0 as absorbing state. We reduce our problem to a continued fractions one that can be solved by using extensions of classical results of this theory. We also prove that there exist normalized quasi-stationary distributions if and only if 0 is geometrically absorbing.
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页码:795 / 813
页数:19
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