Preface |
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vii | |
Notation and Terminology |
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ix | |
Introduction |
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1 | (8) |
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Chapter I Algebraic theory of quadratic forms, Clifford algebras, and spin groups |
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9 | (28) |
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1 Quadratic forms and associative algebras |
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9 | (6) |
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15 | (5) |
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3 Clifford groups and spin groups |
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20 | (8) |
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28 | (9) |
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Chapter II Quadratic forms, Clifford algebras, and spin groups over a local or global field |
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37 | (56) |
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5 Orders and ideals in an algebra |
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37 | (8) |
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6 Quadratic forms over a local field |
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45 | (7) |
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7 Lower-dimensional cases and the Hasse principle |
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52 | (10) |
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8 Part I. Clifford groups over a local field |
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62 | (10) |
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8 Part II. Formal Hecke algebras and formal Euler factors |
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72 | (8) |
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9 Orthogonal, Clifford, and spin groups over a global field |
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80 | (13) |
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Chapter III Quadratic Diophantine equations |
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93 | (46) |
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10 Quadratic Diophantine equations over a local field |
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93 | (8) |
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11 Quadratic Diophantine equations over a global field |
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101 | (12) |
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12 The class number of an orthogonal group and sums of squares |
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113 | (13) |
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13 Nonscalar quadratic Diophantine equations; Connection with the mass formula; A historical perspective |
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126 | (13) |
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Chapter IV Groups and symmetric spaces over R |
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139 | (24) |
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14 Clifford and spin groups over R; The case of signature (1, m) |
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139 | (7) |
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15 The case of signature (2, m) |
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146 | (8) |
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16 Orthogonal groups over R and symmetric spaces |
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154 | (9) |
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Chapter V Euler products and Eisenstein series on orthogonal groups |
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163 | (42) |
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17 Automorphic forms and Euler products on an orthogonal group |
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163 | (10) |
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18 Eisenstein series on Oω |
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173 | (8) |
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181 | (6) |
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20 Arithmetic description of the pullback of an Eisenstein series |
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187 | (9) |
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21 Analytic continuation of Euler products and Eisenstein series |
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196 | (9) |
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Chapter VI Euler products and Eisenstein series on Clifford groups |
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205 | (38) |
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22 Euler products on G+(V) |
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205 | (7) |
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23 Eisenstein series on G(H, 2-1η) |
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212 | (6) |
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24 Eisenstein series of general types on a Clifford group |
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218 | (8) |
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25 Euler products for holomorphic forms on a Clifford group |
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226 | (8) |
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26 Proof of the last main theorem |
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234 | (9) |
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243 | (29) |
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A1 Differential operators on a semisimple Lie group |
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243 | (7) |
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A2 Eigenvalues of integral operators |
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250 | (11) |
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A3 Structure of Clifford algebras over R |
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261 | (4) |
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A4 An embedding of G1(V) into a symplectic group |
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265 | (3) |
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A5 Spin representations and Lie algebras |
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268 | (4) |
References |
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272 | (2) |
Frequently used symbols |
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274 | (1) |
Index |
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275 | |