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List of Definitions and Theorems |
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xi | |
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xiv | |
Preface |
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xvii | |
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1 Motivation and Background |
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1 | (16) |
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1.1 Automorphic Forms and Eisenstein Series |
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1 | (4) |
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1.2 Why Eisenstein Series and Automorphic Forms? |
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5 | (1) |
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1.3 Analysing Automorphic Forms and Adelisation |
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6 | (3) |
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1.4 Reader's Guide and Main Theorems |
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9 | (8) |
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PART ONE AUTOMORPHIC REPRESENTATIONS |
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17 | (288) |
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2 Preliminaries on p-adic and Adelic Technology |
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19 | (20) |
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19 | (4) |
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23 | (2) |
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2.3 p-adic Characters and the Fourier Transform |
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25 | (5) |
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2.4 p-adic Gaussian and Bessel Functions |
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30 | (2) |
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32 | (2) |
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34 | (1) |
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2.7 Adelic Analysis of the Riemann Zeta Function |
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35 | (4) |
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3 Basic Notions from Lie Algebras and Lie Groups |
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39 | (19) |
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3.1 Real Lie Algebras and Real Lie Groups |
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39 | (10) |
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3.2 p-adic and Adelic Groups |
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49 | (9) |
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58 | (29) |
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4.1 Preliminaries on SL(2, R) |
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58 | (3) |
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4.2 Classical Modular Forms |
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61 | (6) |
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4.3 From Classical Modular Forms to Automorphic Forms |
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67 | (8) |
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4.4 Adelic Automorphic Forms |
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75 | (6) |
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81 | (6) |
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5 Automorphic Representations and Eisenstein Series |
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87 | (36) |
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5.1 A First Glimpse at Automorphic Representations |
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87 | (6) |
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5.2 Automorphic Representations |
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93 | (3) |
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5.3 Principal Series Representations |
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96 | (1) |
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5.4 Eisenstein Series and Induced Representations |
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97 | (1) |
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5.5 Classifying Automorphic Representations |
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98 | (2) |
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5.6 Embedding of the Discrete Series in the Principal Series |
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100 | (6) |
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5.7 Eisenstein Series for Non-minimal Parabolics |
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106 | (9) |
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5.8 Induced Representations and Spherical Vectors* |
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115 | (8) |
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6 Whit taker Functions and Fourier Coefficients |
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123 | (32) |
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6.1 Preliminary Example: SL(2,R) Whittaker Functions |
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123 | (5) |
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6.2 Fourier Expansions and Unitary Characters |
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128 | (8) |
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6.3 Induced Representations and Whittaker Models |
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136 | (5) |
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6.4 Wavefront Set and Small Representations |
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141 | (10) |
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6.5 Method of Piatetski-Shapiro and Shalika* |
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151 | (4) |
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7 Fourier Coefficients of Eisenstein Series on SL(2, A) |
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155 | (15) |
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155 | (3) |
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158 | (7) |
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7.3 The Non-constant Fourier Coefficients |
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165 | (5) |
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8 Langlands Constant Term Formula |
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170 | (16) |
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170 | (1) |
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171 | (1) |
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8.3 Parametrising the Integral |
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172 | (1) |
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8.4 Obtaining the a-dependence of the Integral |
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173 | (1) |
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8.5 Solving the Remaining Integral by Induction |
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174 | (1) |
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8.6 The Gindikin-Karpelevich Formula |
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175 | (3) |
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8.7 Assembling the Constant Term |
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178 | (1) |
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8.8 Functional Relations for Eisenstein Series |
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179 | (2) |
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8.9 Expansion in Maximal Parabolics* |
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181 | (5) |
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9 Whittaker Coefficients of Eisenstein Series |
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186 | (33) |
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9.1 Reduction of the Integral and the Longest Weyl Word |
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186 | (3) |
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9.2 Unramified Local Whittaker Functions |
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189 | (2) |
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9.3 The Casselman-Shalika Formula |
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191 | (6) |
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9.4 Whittaker Functions for Generic Characters ψ |
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197 | (2) |
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9.5 Degenerate Whittaker Coefficients |
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199 | (5) |
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9.6 The Casselman-Shalika Formula and Langlands Duality* |
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204 | (3) |
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9.7 Quantum Whittaker Functions* |
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207 | (2) |
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9.8 Whittaker Coefficients on SL(3, A)* |
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209 | (10) |
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10 Analysing Eisenstein Series and Small Representations |
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219 | (36) |
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10.1 The SL (2, R) Eisenstein Series as a Function of s |
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220 | (3) |
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10.2 Properties of Eisenstein Series |
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223 | (9) |
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10.3 Evaluating Constant Term Formulas |
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232 | (10) |
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10.4 Evaluating Spherical Whittaker Coefficients |
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242 | (13) |
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11 Hecke Theory and Automorphic L-functions |
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255 | (35) |
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11.1 Classical Hecke Operators and the Hecke Ring |
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255 | (2) |
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11.2 Hecke Operators for SL(2, R) |
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257 | (8) |
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11.3 The Spherical Hecke Algebra |
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265 | (3) |
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11.4 Hecke Algebras and Automorphic Representations |
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268 | (3) |
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11.5 The Satake Isomorphism |
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271 | (2) |
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11.6 The L-group and Generalisation to GL(n) |
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273 | (4) |
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11.7 The Casselman--Shalika Formula Revisited |
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277 | (5) |
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11.8 Automorphic L-functions |
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282 | (3) |
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11.9 The Langlands--Shahidi Method* |
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285 | (5) |
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290 | (15) |
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12.1 Classical Theta Series |
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290 | (3) |
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12.2 Representation Theory of Classical Theta Functions |
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293 | (3) |
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12.3 Theta Correspondence |
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296 | (1) |
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12.4 Theta Series and the Weil Representation |
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297 | (1) |
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12.5 The Siegel-Weil Formula |
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298 | (2) |
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12.6 Exceptional Theta Correspondences |
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300 | (5) |
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PART TWO APPLICATIONS IN STRING THEORY |
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305 | (124) |
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13 Elements of String Theory |
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307 | (60) |
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13.1 String Theory Concepts |
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308 | (16) |
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13.2 Four-Graviton Scattering Amplitudes |
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324 | (4) |
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13.3 The Four-Graviton Tree-Level Amplitude* |
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328 | (5) |
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13.4 One-Loop String Amplitudes and Theta Lifts* |
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333 | (16) |
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349 | (6) |
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13.6 Non-perturbative Corrections from Instantons* |
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355 | (12) |
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14 Automorphic Scattering Amplitudes |
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367 | (28) |
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14.1 U-duality Constraints in the a'-expansion |
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367 | (3) |
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14.2 Physical Interpretation of the Fourier Expansion |
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370 | (12) |
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14.3 Automorphic Representations and BPS Orbits |
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382 | (6) |
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14.4 Supersymmetry Constraints* |
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388 | (7) |
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15 Further Occurrences of Automorphic Forms in String Theory |
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395 | (34) |
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15.1 Δ6 R4-amplitudes and Generalised Automorphic Forms |
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395 | (3) |
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15.2 Modular Graph Functions |
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398 | (7) |
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15.3 Automorphic Functions and Lattice Sums |
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405 | (3) |
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15.4 Black Hole Counting and Automorphic Representations |
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408 | (8) |
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416 | (13) |
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PART THREE ADVANCED TOPICS |
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429 | (78) |
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16 Connections to the Langlands Program |
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431 | (20) |
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16.1 The Classical Langlands Program |
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431 | (3) |
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16.2 The Geometric Langlands Program |
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434 | (5) |
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16.3 The Langlands Program and Physics |
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439 | (3) |
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16.4 Modular Forms and Elliptic Curves |
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442 | (9) |
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17 Whittaker Functions, Crystals and Multiple Dirichlet Series |
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451 | (9) |
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17.1 Generalisations of the Weyl Character Formula |
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451 | (2) |
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17.2 Whittaker Functions and Crystals |
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453 | (3) |
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17.3 Weyl Group Multiple Dirichlet Series |
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456 | (4) |
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18 Automorphic Forms on Non-split Real Forms |
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460 | (27) |
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18.1 Eisenstein Series on SU/(2,1) |
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460 | (5) |
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18.2 Constant Term and L-functions |
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465 | (3) |
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18.3 Connection with the Langlands-Shahidi Method |
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468 | (5) |
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18.4 Global Whittaker Coefficients |
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473 | (1) |
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18.5 More General Number Fields |
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474 | (1) |
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18.6 String Theory and Enumerative Geometry |
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475 | (3) |
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18.7 Twistors and Quaternionic Discrete Series |
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478 | (9) |
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19 Extension to Kac--Moody Groups |
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487 | (20) |
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488 | (2) |
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19.2 Eisenstein Series on Affine Kac--Moody Groups |
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490 | (7) |
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19.3 Extension to General Kac--Moody Groups |
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497 | (10) |
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507 | (20) |
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Appendix A SL(2, R) Eisenstein Series and Poisson Resumniation |
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509 | (4) |
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Appendix B Laplace Operators on G / K and Automorphic Forms |
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513 | (5) |
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Appendix C Structure Theory of su (2,1) |
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518 | (3) |
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Appendix D Poincare Series and Kloosterman Sums |
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521 | (6) |
References |
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527 | (32) |
Index |
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559 | |