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1 The First Ordinary Differential Equations |
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1 | (16) |
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1 | (1) |
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1.2 Origins: Inverse Tangent Problems |
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1 | (3) |
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2 | (1) |
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1.2.2 Other Inverse Tangent Problems |
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3 | (1) |
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1.3 From Inverse Tangent Problems to Differential Equations |
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4 | (4) |
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1.4 Differential Equations |
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8 | (2) |
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1.5 Linear Ordinary Differential Equations |
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10 | (6) |
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1.5.1 A Note on the Adjoint Equation |
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14 | (2) |
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16 | (1) |
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2 Variational Problems and the Calculus |
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17 | (10) |
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17 | (1) |
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18 | (4) |
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2.3 The Bernoullis' Brachistochrones |
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22 | (2) |
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2.4 Geodesies on Surfaces |
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24 | (1) |
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25 | (2) |
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3 The Vibrating String and the Partial Differential Calculus |
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27 | (12) |
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27 | (1) |
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3.2 Early Investigations into the Partial Differential Calculus |
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27 | (2) |
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3.3 D'Alembert: The Vibrating String and the Wave Equation |
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29 | (6) |
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3.3.1 D'Alembert's Breakthrough |
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30 | (4) |
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3.3.2 Mersenne's Law and Modes |
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34 | (1) |
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3.4 Euler Rewrites the Wave Equation |
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35 | (1) |
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3.5 Formal Complex Methods |
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36 | (2) |
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38 | (1) |
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39 | (16) |
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39 | (1) |
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39 | (6) |
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4.2.1 Recent Discoveries About the Euler Equations |
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45 | (1) |
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4.3 Euler and the Propagation of Sound |
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45 | (3) |
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4.4 Euler's Vision of Mechanics |
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48 | (3) |
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51 | (2) |
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53 | (2) |
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5 The Early Theory of Partial Differential Equations |
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55 | (16) |
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55 | (1) |
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5.2 Euler's General Theory of Partial Differential Equations |
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55 | (9) |
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5.2.1 Second-Order Partial Differential Equations |
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60 | (4) |
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5.3 The Introduction of Characteristics by d'Alembert |
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64 | (1) |
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65 | (3) |
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68 | (1) |
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68 | (3) |
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6 Lagrange's General Theory of Partial Differential Equations |
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71 | (10) |
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71 | (1) |
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71 | (3) |
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74 | (5) |
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74 | (2) |
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76 | (2) |
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78 | (1) |
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79 | (2) |
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7 The Calculus of Variations |
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81 | (14) |
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81 | (1) |
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7.2 The Euler--Lagrange Equations Discovered |
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81 | (4) |
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7.3 Maupertuis and the Principle of Least Action |
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85 | (2) |
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7.4 Euler's Later Approach |
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87 | (2) |
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7.5 Brachistochrone and the Calculus of Variations |
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89 | (2) |
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7.6 Generalised Coordinates |
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91 | (1) |
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92 | (3) |
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8 Monge and Solutions to Partial Differential Equations |
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95 | (16) |
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95 | (1) |
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8.2 Monge and First-Order Partial Differential Equation |
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95 | (6) |
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8.2.1 A Comparison with the Modern Account |
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97 | (1) |
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8.2.2 The General First-Order Case |
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98 | (3) |
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8.3 Monge on General First-Order Equation |
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101 | (3) |
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8.4 Monge on Second-Order Partial Differential Equation |
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104 | (2) |
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8.5 Lagrange at the Ecole Poly technique, 1806 |
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106 | (4) |
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8.5.1 Lacroix's Traiti (1798) |
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109 | (1) |
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110 | (1) |
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111 | (2) |
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9.1 Revision and Assessment 1 |
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111 | (2) |
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111 | (2) |
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113 | (16) |
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113 | (1) |
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10.2 Fourier and His Series |
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113 | (9) |
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10.2.1 Dirichlet on the Convergence of Fourier Series |
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120 | (1) |
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120 | (2) |
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10.3 The Analysis of Fourier Integrals |
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122 | (2) |
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10.4 Stokes and Laplace Transform |
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124 | (3) |
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127 | (2) |
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11 Gauss and the Hypergeometric Equation |
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129 | (14) |
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129 | (1) |
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129 | (2) |
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131 | (5) |
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11.3.1 The Hypergeometric Equation |
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133 | (3) |
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11.4 Kummer and His 24 Solutions |
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136 | (3) |
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11.5 The Method of Undetermined Coefficients |
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139 | (2) |
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141 | (2) |
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143 | (10) |
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143 | (1) |
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12.2 Cauchy and Ordinary Differential Equations |
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143 | (9) |
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12.2.1 Later Developments |
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152 | (1) |
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152 | (1) |
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13 Riemann and Complex Function Theory |
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153 | (6) |
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153 | (1) |
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13.2 Complex Function Theory |
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153 | (2) |
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13.3 The Riemann Mapping Theorem |
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155 | (2) |
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157 | (1) |
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158 | (1) |
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14 Riemann and the Hypergeometric Equation |
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159 | (12) |
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159 | (5) |
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14.1.1 Ordinary Differential Equations and Many-Valued Functions |
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159 | (4) |
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14.1.2 The Riemann Sphere |
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163 | (1) |
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14.2 Riemann's P-Functions |
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164 | (2) |
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166 | (3) |
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169 | (2) |
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15 Schwarz and the Complex Hypergeometric Equation |
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171 | (8) |
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171 | (1) |
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15.2 Quotients of Solutions |
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171 | (5) |
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176 | (3) |
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16 Complex Ordinary Differential Equations: Poincare |
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179 | (12) |
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179 | (1) |
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16.2 Poincare and Linear Ordinary Differential Equations |
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179 | (5) |
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16.3 Poincare's Breakthrough and Non-Euclidean Geometry |
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184 | (3) |
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16.4 Non-Euclidean Geometry |
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187 | (2) |
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189 | (1) |
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189 | (2) |
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17 More General Partial Differential Equations |
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191 | (8) |
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191 | (1) |
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17.2 Cauchy's Method in 1819 |
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192 | (1) |
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17.3 Cauchy and the General Partial Differential Equation |
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193 | (2) |
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17.4 Kovalevskaya's Theorem and Her Counter-Example |
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195 | (3) |
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198 | (1) |
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18 Green's Functions and Dirichlet's Principle |
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199 | (10) |
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199 | (1) |
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18.2 Green's Theorems and Green's Functions |
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199 | (3) |
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18.3 Dirichlet Principle and Problem |
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202 | (1) |
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18.4 Riemann on Green's Theorem |
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203 | (2) |
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18.5 Riemann on the Dirichlet Principle |
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205 | (2) |
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207 | (2) |
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19 Attempts on Laplace's Equation |
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209 | (8) |
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209 | (1) |
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19.2 Weierstrass, Prym, and Schwarz |
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209 | (5) |
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19.2.1 Schwarz's Alternating Method |
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213 | (1) |
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214 | (2) |
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216 | (1) |
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20 Applied Wave Equations |
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217 | (8) |
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217 | (1) |
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20.2 The Trans-Atlantic Cable |
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217 | (4) |
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221 | (3) |
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223 | (1) |
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224 | (1) |
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225 | (2) |
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21.1 Revision and Assessment 2 |
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225 | (2) |
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22 Riemann's Shockwave Paper |
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227 | (10) |
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227 | (1) |
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227 | (5) |
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22.3 Darboux on Riemann's Approach to the Shockwave Equation |
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232 | (1) |
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233 | (2) |
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235 | (2) |
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23 The Example of Minimal Surfaces |
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237 | (14) |
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237 | (1) |
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237 | (3) |
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23.3 Meusnier, Monge, and Legendre |
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240 | (3) |
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23.4 Riemann and Weierstrass |
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243 | (5) |
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23.5 Simple Solutions of the Plateau Problem |
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248 | (2) |
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250 | (1) |
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24 Partial Differential Equations and Mechanics |
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251 | (12) |
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251 | (1) |
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24.2 Hamiltonian Dynamics |
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252 | (4) |
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24.3 Hamilton's and Jacobi's Theories of Dynamics |
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256 | (5) |
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258 | (3) |
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24.4 First-Order Partial Differential Equation Theory |
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261 | (1) |
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262 | (1) |
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25 Geometrical Interpretations of Mechanics |
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263 | (12) |
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263 | (1) |
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263 | (4) |
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25.2.1 Liouville's Contributions |
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265 | (2) |
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25.3 Geometrising Mechanics |
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267 | (3) |
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25.4 The Connection to Hamilton-Jacobi Theory |
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270 | (3) |
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273 | (2) |
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26 The Calculus of Variations in the nineteenth Century |
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275 | (14) |
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275 | (1) |
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275 | (2) |
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26.3 Weierstrass's Theory |
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277 | (5) |
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280 | (2) |
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26.4 Hilbert's Problem 23 and the Theory of the Calculus of Variations |
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282 | (5) |
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287 | (2) |
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27 Poincare and Mathematical Physics |
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289 | (8) |
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289 | (1) |
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27.2 The Classical Classification of Linear Partial Differential Equations |
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289 | (4) |
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27.3 Poincare and the Dirichlet Problem |
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293 | (3) |
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296 | (1) |
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28 Elliptic Equations and Regular Variational Problems |
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297 | (6) |
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297 | (1) |
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28.2 Picard on Second-Order Linear Elliptic Equations |
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297 | (2) |
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28.3 Hilbert's Problems 19 and 20 |
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299 | (3) |
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302 | (1) |
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29 Initial Value Conditions for Hyperbolic Partial Differential Equations |
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303 | (10) |
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303 | (1) |
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29.2 Picard on Second-Order Linear Hyperbolic Equations |
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303 | (1) |
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29.3 Hadamard and Mathematical Physics |
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304 | (3) |
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307 | (4) |
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29.4.1 Commentary and Concluding Remarks |
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310 | (1) |
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311 | (2) |
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313 | (2) |
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30.1 Revision and Assessment 3 |
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313 | (2) |
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315 | (34) |
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31.1 Cauchy: Note on the Integration of First-Order Partial Differential Equations in Any Number of Variables |
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315 | (6) |
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31.2 Riemann's Lectures on Partial Differential Equations and Physics |
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321 | (2) |
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31.2.1 Riemann, Introduction to Partial Differential Equations |
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321 | (2) |
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31.3 Extracts from Schwarz, "Ueber eine Abbildungsaufgaben", 1869 |
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323 | (4) |
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31.3.1 The Schwarz--Christoffel Transformation |
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326 | (1) |
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31.4 An Extract from Schwarz, On the Alternating Method |
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327 | (5) |
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31.5 Schwarz on the Hypergeometric Equation (1873)---A Summary |
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332 | (2) |
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31.6 Darboux on the Solution of Riemann's Equation (1887) |
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334 | (5) |
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31.7 Picard and Elliptic Partial Differential Equations (1890) |
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339 | (3) |
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31.8 Picard and Hyperbolic Partial Differential Equations (1890) |
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342 | (7) |
Appendix A Newton's Principia Mathematica |
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349 | (8) |
Appendix B Characteristics |
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357 | (6) |
Appendix C The First-Order Non-linear Partial Differential Equation |
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363 | (6) |
Appendix D Green's Theorem and Heat Conduction |
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369 | (10) |
Appendix E Complex Analysis |
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379 | (6) |
Appendix F Mobius Transformations |
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385 | (8) |
Appendix G Lipschitz and Picard |
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393 | (4) |
Appendix H The Assessment |
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397 | (8) |
References |
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405 | (12) |
Index |
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417 | |