1550251515-Classical_Complex_Analysis__Gonzalez_

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  • 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





    • 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



  • 3.15 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





    • 4.10 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



        1. 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





      1. 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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