4.5 Article

On the Exiting Patterns of Multivariate Renewal-Reward Processes with an Application to Stochastic Networks

期刊

SYMMETRY-BASEL
卷 14, 期 6, 页码 -

出版社

MDPI
DOI: 10.3390/sym14061167

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fluctuations of stochastic processes; marked point processes; ruin time; renewal processes; probability; stochastic analysis; stochastic networks; numerical inverse Laplace transform

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This article investigates vector-valued renewal-reward processes on R-d. The jumps of the process are assumed to be independent and identically distributed nonnegative random vectors with mutually dependent components, which can be discrete or continuous. The study utilizes operational calculus techniques and symmetries with respect to permutations to derive a general result for the probability of an arbitrary weak ordering of threshold crossings. The result is analytically and numerically tractable, and its applicability is demonstrated through its application to stochastic network reliability and other special cases.
This article is a study of vector-valued renewal-reward processes on R-d. The jumps of the process are assumed to be independent and identically distributed nonnegative random vectors with mutually dependent components, each of which may be either discrete or continuous (or a mixture of discrete and continuous components). Each component of the process has a fixed threshold. Operational calculus techniques and symmetries with respect to permutations are used to find a general result for the probability of an arbitrary weak ordering of threshold crossings. The analytic and numerical tractability of the result are demonstrated by an application to the reliability of stochastic networks and some other special cases. Results are shown to agree with empirical probabilities generated through simulation of the process.

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