内容简介
Chapter 1.Preliminaries to Complex Analysis
1 Complex numbers and the complex plane
1.1 Basic properties
1.2 Convergence
1.3 Sets in the complex plane
2 Functions on the complex plane
2.1 Continuous functions
2.2 Holomorphic functions
2.3 Power series
3 Integration along curves
4 Exercises
Chapter 2.Cauchy's Theorem and Its Applications
1 Goursat's theorem
2 Local existence of primitives and Cauchy's theorem in a disc
3 Evaluation of some integrals
4 Cauchy's integral formulas
5 Further applications
5.1 Morera's theorem
5.2 Sequences of holomorphic functions
5.3 Holomorphic functions defined in terms of integrals
5.4 Schwarz reflection principle
5.5 Runge's approximation theorem
6 Exercises
7 Problems
Chapter 3.Meromorphic Functions and the Logarithm
1 Zeros and poles
2 The residue formula
2.1 Examples
3 Singularities and meromorphic functions
4 The argument principle and applications
5 Homotopies and simply connected domains
6 The complex logarithm
7 Fourier series and harmonic functions
8 Exercises
9 Problems
Chapter 4.The Fourier Transform
1 The class ?
2 Action of the Fourier transform on ?
3 Paley-Wiener theorem
4 Exercises
5 Problems
Chapter 5.Entire Functions
1 Jensen's formula
2 Functions of finite order
3 Infinite products
3.1 Generalities
3.2 Example:the product formula for the sine function
4 Weierstrass infinite products
5 Hadamard's factorization theorem
6 Exercises
7 Problems
Chapter 6.The Gamma and Zeta Functions
1 The gamma function
1.1 Analytic continuation
1.2 Further properties of г
2 The zeta function
2.1 Functional equation and analytic continuation
3 Exercises
4 Problems
Chapter 7.The Zeta Function and Prime Number The-orem
1 Zeros of the zeta function
1.1 Estimates for 1/ζ(s)
2 Reduction to the functionsψandψ1
2.1 Proof of the asymptotics forψ1
Note on interchanging double sums
3 Exercises
4 Problems
Chapter 8.Conformal Mappings
1 Conformal equivalence and examples
1.1 The disc and upper half-plane
1.2 Further examples
1.3 The Dirichlet problem in a strip
2 The Schwarz lemma;automorphisms of the disc and upper half-plane
2.1 Automorphisms of the disc
2.2 Automorphisms of the upper half-plane
3 The Riemann mapping theorem
3.1 Necessary conditions and statement of the theorem
3.2 Montel's theorem
3.3 Proof of the Riemann mapping theorem
4 Conformal mappings onto polygons
4.1 Some examples
4.2 The Schwarz-Christoffel integral
4.3 Boundary behavior
4.4 The mapping formula
4.5 Return to elliptic integrals
5 Exercises
6 Problems
Chapter 9.An Introduction to Elliptic Functions
1 Elliptic functions
1.1 Liouville's theorems
1.2 The Weierstrass ? function
2 The modular character of elliptic functions and Eisenstein series
2.1 Eisenstein series
2.2 Eisenstein series and divisor functions
3 Exercises
4 Problems
Chapter 10.Applications of Theta Functions
1 Product formula for the Jacobi theta function
1.1 Further transformation laws
2 Generating functions
3 The theorems about sums of squares
3.1 The two-squares theorem
3.2 The four-squares theorem
4 Exercises
5 Problems
Appendix A:Asymptotics
1 Bessel functions
2 Laplace's method;Stirling's formula
3 The Airy function
4 The partition function
5 Problems
Appendix B:Simple Connectivity and Jordan Curve Theorem
1 Equivalent formulations of simple connectivity
2 The Jordan curve theorem
2.1 Proof of a general form of Cauchy's theorem
Notes and References
Bibliography
Symbol Glossary
Index