portada A Short Introduction to Perturbation Theory for Linear Operators (en Inglés)

A Short Introduction to Perturbation Theory for Linear Operators (en Inglés)

Formato

Libro Físico

Autor

Tosio Kato

Editorial

Springer

Idioma

Inglés

N° páginas

162

Encuadernación

Tapa Blanda

Dimensiones

23.4x15.6x1 cm

Peso

0.26 kg.

ISBN13

9781461257028

Categorías

Cálculo
Física matemática

A Short Introduction to Perturbation Theory for Linear Operators (en Inglés)

Tosio Kato (Autor) · Springer · Tapa Blanda

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Reseña del libro "A Short Introduction to Perturbation Theory for Linear Operators (en Inglés)"

This book is a slightly expanded reproduction of the first two chapters (plus Introduction) of my book Perturbation Theory tor Linear Operators, Grundlehren der mathematischen Wissenschaften 132, Springer 1980. Ever since, or even before, the publication of the latter, there have been suggestions about separating the first two chapters into a single volume. I have now agreed to follow the suggestions, hoping that it will make the book available to a wider audience. Those two chapters were intended from the outset to be a comprehen- sive presentation of those parts of perturbation theory that can be treated without the topological complications of infinite-dimensional spaces. In fact, many essential and. even advanced results in the theory have non- trivial contents in finite-dimensional spaces, although one should not forget that some parts of the theory, such as those pertaining to scatter- ing. are peculiar to infinite dimensions. I hope that this book may also be used as an introduction to linear algebra. I believe that the analytic approach based on a systematic use of complex functions, by way of the resolvent theory, must have a strong appeal to students of analysis or applied mathematics, who are usually familiar with such analytic tools.