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Complex analysis

Author: Joaquim Bruna; Julià Cufí; Ignacio Monreal
Publisher: Zurich, Switzerland : European Mathematical Society, [2013] ©2013
Series: EMS textbooks in mathematics.
Edition/Format:   Print book : EnglishView all editions and formats
Summary:
The theory of functions of a complex variable is a central theme in mathematical analysis that has links to several branches of mathematics. Understanding the basics of the theory is necessary for anyone who wants to have a general mathematical training or for anyone who wants to use mathematics in applied sciences or technology. The book presents the basic theory of analytic functions of a complex variable and  Read more...
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Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Joaquim Bruna; Julià Cufí; Ignacio Monreal
ISBN: 9783037191118 3037191112
OCLC Number: 867024892
Description: xii, 564 pages : illustrations ; 24 cm.
Contents: Arithmetic and topology in the complex plane --
Functions of a complex variable --
Holomorphic functions and differential forms --
Local properties of holomorphic functions --
Isolated singularities of holomorphic functions --
Homology and holomorphic functions --
Harmonic functions --
Conformal mapping --
The Riemann mapping theorem and Dirichlet's problem --
Runge's theorem and the Cauchy-Riemann equations --
Zeros of holomorphic functions --
The complex Fourier transform.
Series Title: EMS textbooks in mathematics.
Responsibility: Joaquim Bruna, Julià Cufí ; translated from the Catalan by Ignacio Monreal.

Abstract:

The theory of functions of a complex variable is a central theme in mathematical analysis that has links to several branches of mathematics. Understanding the basics of the theory is necessary for anyone who wants to have a general mathematical training or for anyone who wants to use mathematics in applied sciences or technology. The book presents the basic theory of analytic functions of a complex variable and their points of contact with other parts of mathematical analysis. This results in some new approaches to a number of topics when compared to the current literature on the subject. Some issues covered are: a real version of the Cauchy-Goursat theorem, theorems of vector analysis with weak regularity assumptions, an approach to the concept of holomorphic functions of real variables, Green's formula with multiplicities, Cauchy's theorem for locally exact forms, a study in parallel of Poisson's equation and the inhomogeneous Cauchy-Riemann equations, the relationship between Green's function and conformal mapping, the connection between the solution of Poisson's equation and zeros of holomorphic functions, and the Whittaker-Shannon theorem of information theory. The text can be used as a manual for complex variable courses of various levels and as a reference book. The only prerequisites for reading it is a working knowledge of the topology of the plane and the differential calculus for functions of several real variables. A detailed treatment of harmonic functions also makes the book useful as an introduction to potential theory.

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