复变函数及应用

出版时间：2009-3  出版社：机械工业出版社  作者：布朗  页数：468  
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前言

　　This book is a revision of the seventh edition， which was published in 2004. Thatedition has served, just as the earlier ones did, as a textbook for a oneterm introductory course in the theory and application of functions of a complex variable.This new edition preserves the basic content and style of the earlier editions, thefirst two of which were written by the late Ruel V. Churchill alone.　　The first objective of.the book is to develop those parts of the theory that areprominent in applications of the subject. The second objective is to furnish an introduction to applications of residues and conformal mapping. With regard to residues,special emphasis is given to their use in evaluating real improper integrals, findinginverse Laplace transforms, and locating zeros of functions. As for conformal mapping, considerable attention is paid to its use in solving boundary value problemsthat arise in studies of heat conduction and fluid flow. Hence the book may beconsidered as a companion volume to the authors text "Fourier Series and Boundary Value Problems," where another classical method for solving boundary valueproblems in partial differential equations is developed.　　The first nine chapters of this book have for many years formed the basis of athreehour course given each term at The University of Michigan. The classes haveconsisted mainly of seniors and graduate students concentrating in mathematics,engineering, or one of the physical sciences. Before taking the course, the studentshave completed at least a threeterm calculus sequence and a first course in ordinarydifferential equations. Much of the material in the book need not be covered in thelectures and can be left for selfstudy or used for reference. If mapping by elementaryfunctions is desired earlier in the course, one can skip to Chap. 8 immediately afterChap. 3 on elementary functions.

内容概要

本书初版于20世纪40年代，是经典的本科数学教材之一，对复变函数的教学影响深远，被美国加州理工学院、加州大学伯克利分校、佐治亚理工学院、普度大学、达特茅斯学院、南加州大学等众多名校采用。    本书阐述了复变函数的理论及应用，还介绍了留数及保形映射理论在物理、流体及热传导等边值问题中的应用。    新版对原有内容进行了重新组织，增加了更现代的示例和应用，更加方便教学。

作者简介

　　James Ward Brown密歇根大学迪尔本分校数学系教授，美国数学学会会员。1964年于密歇根大学获得数学博士学位。他曾经主持研究美国国家自然科学基金项目，获得过密歇根大学杰出教师奖，并被列入美国名人录。　　Ruel V.Churchill已故密歇根大学知名教授。早在60多年前，就开始编写一系列经典教材。除本书外，还与James Ward Brown合著《Fourier Series and Boundary Value Problems》。

书籍目录

Preface1 Complex Numbers  Sums and Products    Basic Algebraic Properties    Further Properties    Vectors and Moduli    Complex Conjugates    Exponential Form    Products and Powers in Exponential Form   Arguments of Products and Quotients    Roots of Complex Numbers    Examples  Regions in the Complex Plane  2 Analytic Functions  Functions of a Complex Variable   Mappings    Mappings by the Exponential Function    Limits    Theorems on Limits    Limits Involving the Point at Infinity    Continuity    Derivatives    Differentiation Formulas    Cauchy-Riemann Equations    Sufficient Conditions for Differentiability    Polar Coordinates    Analytic Functions    Examples    Harmonic Functions    Uniquely Determined Analytic Functions    Reflection Principle  3 Elementary Functions  The Exponential Function    The Logarithmic Function    Branches and Derivatives of Logarithms    Some Identities Involving Logarithms    Complex Exponents   Trigonometric Functions    Hyperbolic Functions    Inverse Trigonometric and Hyperbolic Functions  4 Integrals  Derivatives of Functions w(t)    Definite Integrals of Functions w(t)    Contours    Contour Integrals    Some Examples    Examples with Branch Cuts    Upper Bounds for Moduli of Contour Integrals    Antiderivatives    Proof of the Theorem    Cauchy-Goursat Theorem    Proof of-the Theorem  5 Series6 Residues and Poles7 Applications of Residues8 Mapping by Elementary Functions9 Conformal Mapping10 Applications of Conformal Mapping11 The Schwarz-Chrstoffer Transformation12 Integral Formulas of the Poisson TypeAppendixesIndex

章节摘录

　　The first objective of.the book is to develop those parts of the theory that areprominent in applications of the subject. The second objective is to furnish an intro-duction to applications of residues and conformal mapping. With regard to residues，special emphasis is given to their use in evaluating real improper integrals, findinginverse Laplace transforms, and locating zeros of functions. As for conformal map-ping, considerable attention is paid to its use in solving boundary value problemsthat arise in studies of heat conduction and fluid flow. Hence the book may beconsidered as a companion volume to the authors text "Fourier Series and Bound-ary Value Problems," where another classical method for solving boundary valueproblems in partial differential equations is developed.　　The first nine chapters of this book have for many years formed the basis of athree-hour course given each term at The University of Michigan. The classes haveconsisted mainly of seniors and graduate students concentrating in mathematics,engineering, or one of the physical sciences. Before taking the course, the studentshave completed at least a three-term calculus sequence and a first course in ordinarydifferential equations. Much of the material in the book need not be covered in thelectures and can be left for self-study or used for reference.