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Eckhaus W., de Jager E.M. (eds.) — Theory and Applications of Singular Perturbations
Eckhaus W., de Jager E.M. (eds.) — Theory and Applications of Singular Perturbations

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Название: Theory and Applications of Singular Perturbations

Авторы: Eckhaus W., de Jager E.M. (eds.)

Аннотация:

This book presents an introduction to singular-perturbation problems, problems which depend on a parameter in such a way that solutions behave nonuniformly as the parameter tends toward some limiting value of interest. The nature of the nonuniformity can vary from case to case, and so the author considers and solves a variety of problems, mostly for ordinary differential equations. He constructs (approximate) solutions for oscillation problems, using the methods of averaging and of multiple scales. For problems of the nonoscillatory type, where solutions exhibit 'fast dynamics' in a thin initial layer, he derives solutions using the O'Malley/Hoppensteadt method and the method of matched expansions. He obtains solutions for boundary-value problems, where solutions exhibit rapid variation in thin layers, using a multivariable method. After a suitable approximate solution is constructed for each problem, the author linearizes the problem about the proposed approximate solution, and, emphasizing the use of the Banach/Picard fixed-point theorem, presents a study of the linearization. This book will be a welcome text and reference to students at the graduate and senior undergraduate levels studying perturbation theory for differential equations, and to pure and applied mathematicians, engineers, and scientists who use differential equations in the modeling of natural phenomena.


Язык: en

Рубрика: Математика/

Статус предметного указателя: Нет и не будет

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Год издания: 1981

Количество страниц: 363

Добавлена в каталог: 14.08.2008

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