Approximation and Weak Convergence Methods for Random Processes with Applications to Stochastic Systems Theory - Softcover

Kushner, Harold

9780262512183: Approximation and Weak Convergence Methods for Random Processes with Applications to Stochastic Systems Theory

Softcover

ISBN 10: 0262512181 ISBN 13: 9780262512183

Publisher: MIT Press, 2008

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Control and communications engineers, physicists, and probability theorists, among others, will find this book unique. It contains a detailed development of approximation and limit theorems and methods for random processes and applies them to numerous problems of practical importance. In particular, it develops usable and broad conditions and techniques for showing that a sequence of processes converges to a Markov diffusion or jump process. This is useful when the natural physical model is quite complex, in which case a simpler approximation la diffusion process, for example) is usually made. The book simplifies and extends some important older methods and develops some powerful new ones applicable to a wide variety of limit and approximation problems. The theory of weak convergence of probability measures is introduced along with general and usable methods (for example, perturbed test function, martingale, and direct averaging) for proving tightness and weak convergence.Kushner's study begins with a systematic development of the method. It then treats dynamical system models that have state-dependent noise or nonsmooth dynamics. Perturbed Liapunov function methods are developed for stability studies of nonMarkovian problems and for the study of asymptotic distributions of non-Markovian systems. Three chapters are devoted to applications in control and communication theory (for example, phase-locked loops and adoptive filters). Smallnoise problems and an introduction to the theory of large deviations and applications conclude the book. Harold J. Kushner is Professor of Applied Mathematics and Engineering at Brown University and is one of the leading researchers in the area of stochastic processes concerned with analysis and synthesis in control and communications theory. This book is the sixth in The M.I.T. Press Series in Signal Processing, Optimization, and Control, edited by Alan S. Willsky.

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Approximation and Weak Convergence Methods for Random Processes with Applications to Stochastic Systems Theory Control and communications engineers, physicists, and probability theorists, among others, will find this book unique.