Overview |
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ix | |
Introduction |
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1 | (6) |
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Complex Dimensions of Ordinary Fractal Strings |
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7 | (16) |
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The Geometry of a Fractal String |
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7 | (6) |
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The Multiplicity of the Lengths |
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10 | (1) |
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Example: The Cantor String |
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11 | (2) |
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The Geometric Zeta Function of a Fractal String |
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13 | (4) |
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The Screen and the Window |
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14 | (2) |
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The Cantor String (Continued) |
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16 | (1) |
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The Frequencies of a Fractal String and the Spectral Zeta Function |
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17 | (2) |
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Higher-Dimensional Analogue: Fractal Sprays |
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19 | (4) |
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Complex Dimensions of Self-Similar Fractal Strings |
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23 | (32) |
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The Geometric Zeta Function of a Self-Similar String |
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23 | (5) |
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Dynamical Interpretation, Euler Product |
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26 | (2) |
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Examples of Complex Dimensions of Self-Similar Strings |
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28 | (6) |
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28 | (1) |
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28 | (2) |
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A String with Multiple Poles |
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30 | (1) |
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31 | (3) |
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The Lattice and Nonlattice Case |
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34 | (3) |
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Generic Nonlattice Strings |
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36 | (1) |
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The Structure of the Complex Dimensions |
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37 | (5) |
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The Density of the Poles in the Nonlattice Case |
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42 | (5) |
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42 | (1) |
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Complex Zeros of Dirichlet Polynomials |
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43 | (4) |
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Approximating a Fractal String and Its Complex Dimensions |
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47 | (8) |
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Approximating a Nonlattice String by Lattice Strings |
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49 | (6) |
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Generalized Fractal Strings Viewed as Measures |
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55 | (16) |
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Generalized Fractal Strings |
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55 | (5) |
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Examples of Generalized Fractal Strings |
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58 | (2) |
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The Frequencies of a Generalized Fractal String |
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60 | (4) |
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Generalized Fractal Sprays |
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64 | (1) |
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The Measure of a Self-Similar String |
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65 | (6) |
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Measures with a Self-Similarity Property |
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67 | (4) |
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Explicit Formulas for Generalized Fractal Strings |
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71 | (40) |
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71 | (5) |
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73 | (1) |
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74 | (2) |
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Preliminaries: The Heaviside Function |
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76 | (3) |
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The Pointwise Explicit Formulas |
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79 | (11) |
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The Order of the Sum over the Complex Dimensions |
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89 | (1) |
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The Distributional Explicit Formulas |
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90 | (16) |
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Alternate Proof of Theorem 4.12 |
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95 | (1) |
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Extension to More General Test Functions |
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95 | (4) |
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The Order of the Distributional Error Term |
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99 | (7) |
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Example: The Prime Number Theorem |
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106 | (5) |
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The Riemann---von Mangoldt Formula |
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108 | (3) |
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The Geometry and the Spectrum of Fractal Strings |
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111 | (32) |
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The Local Terms in the Explicit Formulas |
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112 | (3) |
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The Geometric Local Terms |
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112 | (1) |
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113 | (1) |
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114 | (1) |
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The Distribution xw logmx |
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114 | (1) |
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Explicit Formulas for Lengths and Frequencies |
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115 | (4) |
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The Geometric Counting Function of a Fractal String |
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115 | (1) |
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The Spectral Counting Function of a Fractal String |
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116 | (2) |
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The Geometric and Spectral Partition Functions |
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118 | (1) |
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The Direct Spectral Problem for Fractal Strings |
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119 | (2) |
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The Density of Geometric and Spectral States |
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119 | (2) |
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121 | (1) |
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121 | (11) |
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122 | (4) |
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126 | (1) |
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The Spectrum of a Self-Similar String |
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127 | (3) |
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The Prime Number Theorem for Suspended Flows |
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130 | (2) |
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Examples of Non-Self-Similar Strings |
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132 | (4) |
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133 | (3) |
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The Spectrum of the Harmonic String |
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136 | (1) |
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136 | (7) |
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138 | (3) |
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The Spectrum of a Self-Similar Spray |
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141 | (2) |
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Tubular Neighborhoods and Minkowski Measurability |
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143 | (20) |
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Explicit Formula for the Volume of a Tubular Neighborhood |
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144 | (4) |
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Analogy with Riemannian Geometry |
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147 | (1) |
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Minkowski Measurability and Complex Dimensions |
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148 | (5) |
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153 | (10) |
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154 | (6) |
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160 | (3) |
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The Riemann Hypothesis, Inverse Spectral Problems and Oscillatory Phenomena |
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163 | (10) |
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The Inverse Spectral Problem |
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163 | (4) |
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Complex Dimensions of Fractal Strings and the Riemann Hypothesis |
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167 | (3) |
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Fractal Sprays and the Generalized Riemann Hypothesis |
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170 | (3) |
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Generalized Cantor Strings and their Oscillations |
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173 | (8) |
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The Geometry of a Generalized Cantor String |
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173 | (3) |
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The Spectrum of a Generalized Cantor String |
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176 | (5) |
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Integral Cantor Strings: a-adic Analysis of the Geometric and Spectral Oscillations |
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176 | (3) |
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Nonintegral Cantor Strings: Analysis of the Jumps in the Spectral Counting Function |
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179 | (2) |
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The Critical Zeros of Zeta Functions |
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181 | (16) |
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The Riemann Zeta Function: No Critical Zeros in an Arithmetic Progression |
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182 | (2) |
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Extension to Other Zeta Functions |
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184 | (4) |
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Density of Nonzeros on Vertical Lines |
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186 | (1) |
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Almost Arithmetic Progressions of Zeros |
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187 | (1) |
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188 | (1) |
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Zeta Functions of Curves Over Finite Fields |
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189 | (8) |
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197 | (38) |
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Conjectures about Zeros of Dirichlet Series |
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198 | (3) |
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A New Definition of Fractality |
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201 | (7) |
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Comparison with Other Definitions of Fractality |
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205 | (1) |
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Possible Connections with the Notion of Lacunarity |
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206 | (2) |
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Fractality and Self-Similarity |
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208 | (4) |
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The Spectrum of a Fractal Drum |
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212 | (7) |
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The Weyl--Berry Conjecture |
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212 | (2) |
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The Spectrum of a Self-Similar Drum |
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214 | (3) |
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Spectrum and Periodic Orbits |
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217 | (2) |
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The Complex Dimensions as Geometric Invariants |
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219 | (2) |
Appendices |
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A Zeta Functions in Number Theory |
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221 | (6) |
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A.1 The Dedekind Zeta Function |
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221 | (1) |
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A.2 Characters and Hecke L-series |
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222 | (1) |
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A.3 Completion of L-Series, Functional Equation |
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223 | (1) |
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A.4 Epstein Zeta Functions |
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224 | (1) |
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A.5 Other Zeta Functions in Number Theory |
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225 | (2) |
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B Zeta Functions of Laplacians and Spectral Asymptotics |
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227 | (8) |
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B.1 Weyl's Asymptotic Formula |
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227 | (2) |
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B.2 Heat Asymptotic Expansion |
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229 | (2) |
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B.3 The Spectral Zeta Function and Its Poles |
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231 | (1) |
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232 | (1) |
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B.4.1 Monotonic Second Term |
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233 | (2) |
References |
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235 | (18) |
Conventions |
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253 | (1) |
Symbol Index |
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254 | (3) |
Index |
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257 | (8) |
List of Figures |
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265 | (2) |
Acknowledgements |
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267 | |