- Introduction Preface v
- 0.1 Sets
- 0.2 Mappings
- 0.3 Notations
- 1 Complex Numbers
- 1.1 The Complex Number System
- 1.2 Real and Imaginary Complex_ Numbers. The Complex Units
- 1.3 Complex Conjugates
- Exercises 1.1
- 1.4 Ordering of the Complex Numbers
- 1.5 The Complex System as a Linear System and as an Algebra
- 1.6 Absolute Value of a Complex Number
- Exercises 1.2
- 1.7 Geometric Representation of Complex Numbers
- 1.8 Polar Form of the Complex Number
- 1.9 Exponential Form of the Complex Number
- Exercises 1.3
- Bibliography
- Exercises 1.3
- 3 Functions. Limits and Continuity. Arcs and Curves
- 3.1 Complex Functions
- 3.2 The Components of a Complex Function
- 3.3 Geometric Representation of Complex Functions
- 3.4 Functions Associated with a Given Function
- 3.5 Limit of a Complex Function at a Point
- 3.6 Finite Limit at Infinity
- 3.7 Properties of Finite Limits
- 3.8 Infinite Limit at a Finite Point
- 3.9 Infinite Limit at Infinity
- 3.10 Infinitely Small and Infinitely Large Functions
- Exercises 3.1
- 3.11 Continuity of Complex Functions
- 3.12 Properties of Continuous Functions
- Exercises 3.2
- 3.13 Oriented Arcs and Curves
- Exercises 3.3
- 3.14 Chains and Cycles
- 3.12 Properties of Continuous Functions
- 3.15 Deformation of Arcs and Curves. Homotopy
- 3.16 The Winding Number of a Curve
- 3.17 Homology. The Connectivity of a Region i
- Exercises 3.4
- Bibliography
- 4 Sequences and Series
- 4.1 Sequences of Complex Numbers
- 4.2 Convergence of Sequences
- 4.3 Properties of Convergent Sequences
- 4.4 Limit of a Real Sequence. Limit Superior and Limit Inferior
- 4.5 Cauchy Condition for Convergence
- Exercises 4.1
- 4.6 Series of Complex Numbers
- 4.7 Criteria for Convergence of Series of Complex Numbers
- 4.8 Some Properties of Series of Complex Terms
- 4.9 Absolute Convergence Tests
- 4.1 Sequences of Complex Numbers
- 4.10 Sequences and Series of Functions
- 4.11 Power Series
- Exercises 4.2
- Bibliography
- 5 Elementary Functions x Contents
- 5.1 The Translation w = z + b
- 5.2 The Similitude w = az (a I 0)
- 5.3 The Linear FUnction w = az + b (a I 0)
- 5.4 The Reciprocal Function w = 1/ z
- 5.5 The Bilinear Function w = (az + b)/(cz + d)
- 5.6 Fixed Points of the Bilinear Transformation
- 7 Multiplier of the Bilinear Transformation
- 5.8 Classification of the Bilinear Transformations
- 5.9 Symmetry with Respect to a Circle
- 5.10 Orientation of a Circle
- Geometry 5.11 The Poincare Model of Lobachevsky Non-Euclidean
- Exercises 5.1
- 5.12 The Conjugate Bilinear Function
- 5.13 The General Bilinear Function
- Exercises 5.2
- 5.14 The Polynomial Function w = P(z) = a 0 + aiz + ·: · + anzn
- 5.15 The Function w = (z - a)n, n >
- 5.16 The Rational Function w = P(z)/Q(z)
- 5.17 TheJoukowskiFUnctionw=%(z+l/z)
- Exercises 5.3
- 5.18 The Exponential Function
- 5.19. The Circular and Hyperbolic Functions
- Exercises 5 .4
- Surfaces 5.20 The Function w = * Viz. Introduction of the Riemann
- 5.21 The Riemann Surface of w = *.JP(;}
- 5.22 The Riemann Surface of w = ijZ + V z -
- 5.23 The Logarithmic Function
- 5.24 The General Power FUnction
- 5.25 The Inverse of the Circular and Hyperbolic Functions
- Exercises 5.5
- Bibliography
- 6 Differentiation
- Functions 6.1 The Concept of the Derivative. Monogenic and Analytic
- 6.2 Continuity and Differentiability
- 6.3 Differentiation Rules
- 6.4 Differentiability of a Real Function of Two Real Variables
- 7.5 Other Types of Complex Integrals
- the Limit of a Sum 7.6 Complex Integrals Along a Rectifiable Arc. The Integral as
- 7.7 Elementary Properties of the Complex Integral
- 7.8 Further Properties of the Complex Integral
- 7.9 Cauchy's Fundamental Theorem
- Exercises 7 .1
- 7.10 The Cauchy-Goursat Theorem
- 7.11 Generalizations of the Cauchy-Goursat Theorem
- 7.12 Cauchy-Goursat Theorem for Several Contours
- Applications 7.13 Analytical Representation of the Winding Number.
- 7.14 A Further Extension of the Cauchy-Goursat Theorem
- Evaluation of Some Real Improper Integrals 7.15 Application of the Cauchy-Goursat Theorem to the
- Region 7.16 Primitives of an Analytic Function in a Multiply Connected
- Exercises 7.2
- 7.17 Cauchy's Integral Formula
- 7.18 Cauchy's Formula for z on the Contour
- Half-Plane 7.19 Cauchy's Integral Formula for Functions Analytic in a
- Exercises 7.3
- 7.20 Integrals of Cauchy Type
- 7.21 Cauchy's Formulas for the Derivatives
- Exercises 7.4
- 7.22 Morera's Theorem
- 7.23 Cauchy's Inequality
- 7.24 Cauchy-Liouville Theorem
- 7.25 Fundamental Theorem of Algebra
- 7.26 Riemann's Theorem
- 7.27 Derivative of an Integral with Respect to a Parameter
- 7.28 Schwarz's and Poisson's Formulas
- Exercises 7 .5
- 7.29 Application to Fluid Dynamics
- Bibliography
- Representations. Some Special Functions 8 Sequences and Series of Functions. Series
- Functions 8.1 Integration and Differentiatio~ of Sequences and Series of
- 8.2 Analytic Functions Defined by Real Improper Integrals Contents xiii
- 8.3 The Cauchy-Taylor Expansion Theorem
- 8.4 Operations with Power Series
- Bernoulli and Euler Numbers 8.5 Further Series Expansions. The Symbolic Method.
- Exercises 8.1
- 8.6 Taylor Series for Nonanalytic Functions of Class C^00
- 8.7 Behavior of a Power Series on the Circle of Convergence
- Exercises 8.2
- 8.8 Zeros of Continuous Functions
- Functions 8.9 Zeros of Analytic Functions. Identity Principle for Analytic
- 8.10 Zeros of Polynomials
- Exercises 8.3
- Analytic (or Conjugate Analytic) Functions 8.11 The Maximum and Minimum Modulus Principles for
- Functions 8.12 Maximum and Minimum Principles for Real Harmonic
- Exercises 8.4
- 8.13 Schwarz's Lemma
- Exercises 8.5
- 8.14 Hadamard's Three-Circles Theorem
- Exercises 8.6
- 8.15 Series of Negative Integral Powers of z - a
- 8.16 Laurent Series
- 8.17 Region of Convergence
- 8.18 The Laurent Series Expansion Theorem
- Exercises 8.
- 8.19 Fourier Series Expansions
- Exercises 8.8
- 8.20 The Eulerian Integrals. The Gamma and Beta Functions
- 8.21 The Factorial Function
- Exercises 8.9
- 8.22 The Hypergeometric Function
- 8.23 The Confluent Hypergeometric Function
- Exercises 8.10
- Bibliography
- 9.1 Regular and Singular Points
-
- 9.2 Isolated Singularities xiv Contents
- 9.3 Behavior at a Pole
- 9.4 Behavior at an Essential Singularity
- 9.5 Nonisolated Singularities. Cluster Points
- Exercises 9 .1
- of Their Singularities 9.6 Characterization of Some Simple Functions by the Nature
- 7 Residues
- 9.8 Some Special Rules for the Computation of Residues
- Exercises 9.2
- 9.9 The Residue Theorem
- Exercises 9.3
- 9.10 Some Useful Lemmas
- Theorem 9.11 Evaluation of Real Improper Integrals by Using the Residue
- Exercises 9.4
- Exercises 9.5
- Exercises 9.6
- Exercises 9.
- 9.12 Summation of Certain Series by Using the Residue Theorem
- Exercises 9.8
- 9.13 The Logarithmic Derivative
- 9.14 Zeros and Poles of Meromorphic Functions
- 9.15 The Argument Principle and Its Consequences
- Exercises 9.9
- Theorems 9.16 Mapping Properties of Analytic Functions. Inverse Function
- Exercise 9.10
- Bibliography
- Index
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