Preface |
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ix | |
Author |
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xi | |
Introduction |
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xiii | |
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1 Complex Numbers and Their Arithmetic |
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1 | (18) |
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1 | (2) |
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1.2 Operations with Complex Numbers |
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3 | (16) |
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2 Functions of a Complex Variable |
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19 | (14) |
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19 | (5) |
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2.1.1 Curves in the complex plane |
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19 | (1) |
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20 | (4) |
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2.2 Sequences of Complex Numbers and Their Limits |
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24 | (3) |
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2.3 Functions of a Complex Variable; Limits and Continuity |
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27 | (6) |
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3 Differentiation of Functions of a Complex Variable |
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33 | (14) |
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3.1 The Derivative. Cauchy-Riemann Conditions |
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33 | (7) |
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3.1.1 The derivative and the differential |
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33 | (2) |
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3.1.2 Cauchy-Riemann conditions |
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35 | (3) |
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38 | (2) |
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3.2 The Connection between Analytic and Harmonic Functions |
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40 | (3) |
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3.3 The Geometric Meaning of the Derivative. Conformal Mappings |
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43 | (4) |
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3.3.1 The geometric meaning of the argument of the derivative |
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43 | (2) |
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3.3.2 The geometric meaning of the modulus of the derivative |
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45 | (1) |
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46 | (1) |
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47 | (38) |
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4.1 Linear and Mobius Transformations |
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47 | (13) |
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47 | (3) |
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4.1.2 Mobius transformations |
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50 | (10) |
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4.2 The Power Function. The Concept of Riemann Surface |
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60 | (6) |
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4.3 Exponential and Logarithmic Functions |
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66 | (6) |
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4.3.1 Exponential function |
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66 | (2) |
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4.3.2 The logarithmic function |
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68 | (4) |
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4.4 Power, Trigonometric, and Other Functions |
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72 | (8) |
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4.4.1 The general power function |
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72 | (2) |
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4.4.2 The trigonometric functions |
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74 | (2) |
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4.4.3 Inverse trig functions |
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76 | (1) |
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4.4.4 The Zhukovsky function |
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77 | (3) |
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4.5 General Properties of Conformal Mappings |
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80 | (5) |
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85 | (30) |
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5.1 Definition of the Contour Integral |
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85 | (6) |
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5.1.1 Properties of the contour integral |
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88 | (3) |
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5.2 Cauchy-Goursat Theorem |
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91 | (5) |
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96 | (5) |
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5.4 The Cauchy Integral Formula |
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101 | (14) |
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115 | (52) |
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115 | (5) |
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120 | (7) |
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127 | (7) |
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6.4 Power Series Expansion |
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134 | (9) |
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143 | (5) |
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6.6 Analytic Continuations |
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148 | (9) |
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157 | (10) |
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167 | (44) |
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7.1 Isolated Singularities |
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167 | (13) |
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180 | (9) |
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7.3 Computing Integrals with Residues |
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189 | (12) |
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7.3.1 Integrals over closed curves |
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190 | (1) |
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7.3.2 Real integrals of the form ∞2π0(cos φ, sin φ) dφ, where R is a rational function of cos φ and sin φ |
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191 | (2) |
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193 | (8) |
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7.4 Logarithmic Residues and the Argument Principle |
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201 | (10) |
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211 | (54) |
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8.1 The Schwarz-Christoffel Transformation |
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211 | (15) |
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8.2 Hydrodynamics. Simply-connected Domains |
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226 | (11) |
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8.2.1 Complex potential of a vector field |
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227 | (2) |
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8.2.2 Simply-connected domains |
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229 | (8) |
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8.3 Sources and Sinks. Flow around Obstacles |
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237 | (19) |
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237 | (1) |
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238 | (6) |
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8.3.3 Flow around obstacles |
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244 | (6) |
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8.3.4 The Zhukovsky airfoils |
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250 | (3) |
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253 | (3) |
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8.4 Other Interpretations of Vector Fields |
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256 | (9) |
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256 | (5) |
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261 | (1) |
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8.4.3 Remarks on boundary value problems |
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262 | (3) |
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265 | (42) |
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9.1 The Laplace Transform |
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266 | (8) |
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9.2 Properties of the Laplace Transformation |
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274 | (15) |
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9.3 Applications to Differential Equations |
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289 | (18) |
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289 | (2) |
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9.3.2 Finding the original function from its transform |
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291 | (5) |
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9.3.3 Differential equations with piecewise defined right hand sides |
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296 | (3) |
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9.3.4 Application of the convolution operation to solving differential equations |
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299 | (3) |
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9.3.5 Systems of differential equations |
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302 | (5) |
Solutions, Hints, and Answers to Selected Problems |
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307 | (66) |
Appendix |
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373 | (6) |
Bibliography |
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379 | (2) |
Index |
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381 | |