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A Quasi-Reversibility Approach to the Insensitivity of Generalized Semi-Markov Processes
Published online by Cambridge University Press: 27 July 2009
Abstract
This paper is concerned with a certain property of the stationary distribution of a generalized semi-Markov process (GSMP) known as insensitivity. It is well-known that the so-called Matthes' conditions form a necessary and sufficient algebraic criterion for insensitivity. Most proofs of these conditions are basically algebraic. By interpreting a GSMP as a simple queueing network, we are able to show that Matthes' conditions are equivalent to the quasi-reversibility of the network, thus obtaining another simple proof of the sufficiency of these conditions. Furthermore, we apply our method to find a simple criterion for the insensitivity of GSMP's with generalized routing (in a sense that is introduced in the paper).
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- Probability in the Engineering and Informational Sciences , Volume 3 , Issue 3 , July 1989 , pp. 405 - 415
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- Copyright © Cambridge University Press 1989
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