Hitting Time Distribution for Skip-Free Markov Chains: A Simple ProofReportar como inadecuado



 Hitting Time Distribution for Skip-Free Markov Chains: A Simple Proof


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A well-known theorem for an irreducible skip-free chain with absorbing state $d$, under some conditions, is that the hitting (absorbing) time of state $d$ starting from state 0 is distributed as the sum of $d$ independent geometric (or exponential) random variables. The purpose of this paper is to present a direct and simple proof of the theorem in the cases of both discrete and continuous time skip-free Markov chains. Our proof is to calculate directly the generation functions (or Laplace transforms) of hitting times in terms of the iteration method.



Autor: Wenming Hong; Ke Zhou

Fuente: https://archive.org/







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