The combinational structure of non-homogeneous Markov chains with countable states
Let P(s,t) denote a non-homogeneous continuous parameter Markov chain with countable state space E and parameter space [a,b], −∞<a<b<∞. Let R(s,t)={(i,j):Pij(s,t)>0}. It is shown in this paper that R(s,t) is reflexive, transitive, and independent of (s,t), s<t, if a certain weak homog...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
1983-01-01
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| Series: | International Journal of Mathematics and Mathematical Sciences |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1155/S0161171283000320 |
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| Summary: | Let P(s,t) denote a non-homogeneous continuous parameter Markov chain with countable state space E and parameter space [a,b], −∞<a<b<∞. Let R(s,t)={(i,j):Pij(s,t)>0}. It is shown in this paper that R(s,t) is reflexive, transitive, and independent of (s,t), s<t, if a certain weak homogeneity condition holds. It is also shown that the relation R(s,t), unlike in the finite state space case, cannot be expressed even as an infinite (countable) product of reflexive transitive relations for certain non-homogeneous chains in the case when E is infinite. |
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| ISSN: | 0161-1712 1687-0425 |