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AuthorYin, G. George. author
TitleContinuous-Time Markov Chains and Applications [electronic resource] : A Singular Perturbation Approach / by G. George Yin, Qing Zhang
ImprintNew York, NY : Springer New York : Imprint: Springer, 1998
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Descript XV, 351 p. online resource


This book is concerned with continuous-time Markov chains. It develops an integrated approach to singularly perturbed Markovian systems, and reveals interrelations of stochastic processes and singular perturbations. In recent years, Markovian formulations have been used routinely for nuยญ merous real-world systems under uncertainties. Quite often, the underlying Markov chain is subject to rather frequent fluctuations and the correspondยญ ing states are naturally divisible to a number of groups such that the chain fluctuates very rapidly among different states within a group, but jumps less frequently from one group to another. Various applications in engineerยญ ing, economics, and biological and physical sciences have posed increasing demands on an in-depth study of such systems. A basic issue common to many different fields is the understanding of the distribution and the strucยญ ture of the underlying uncertainty. Such needs become even more pressing when we deal with complex and/or large-scale Markovian models, whose closed-form solutions are usually very difficult to obtain. Markov chain, a well-known subject, has been studied by a host of reยญ searchers for many years. While nonstationary cases have been treated in the literature, much emphasis has been on stationary Markov chains and their basic properties such as ergodicity, recurrence, and stability. In contrast, this book focuses on singularly perturbed nonstationary Markov chains and their asymptotic properties. Singular perturbation theory has a long history and is a powerful tool for a wide variety of applications


I Prologue and Preliminaries -- 1 Introduction and Overview -- 2 Mathematical Preliminaries -- 3 Markovian Models -- II Singularly Perturbed Markov Chains -- 4 Asymptotic Expansion: Irreducible Generators -- 5 Asymptotic Normality and Exponential Bounds -- 6 Asymptotic Expansion: Weak and Strong Interactions -- 7 Weak and Strong Interactions: Asymptotic Properties and Ramification -- III Control and Numerical Methods -- 8 Markov Decision Problems -- 9 Stochastic Control of Dynamical Systems -- 10 Numerical Methods for Control and Optimization -- A Appendix -- A.1 Properties of Generators -- A.2 Weak Convergence -- A.3 Relaxed Control -- A.4 Viscosity Solutions of HJB Equations -- A.5 Value Functions and Optimal Controls -- A.6 Miscellany -- References

Mathematics Calculus of variations Probabilities Mathematics Probability Theory and Stochastic Processes Calculus of Variations and Optimal Control; Optimization


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