Preface |
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xi | |
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1 | (3) |
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2 Lie groups: basic definitions |
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4 | (21) |
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2.1 Reminders from differential geometry |
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4 | (1) |
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2.2 Lie groups, subgroups, and cosets |
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5 | (5) |
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2.3 Lie subgroups and homomorphism theorem |
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10 | (1) |
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2.4 Action of Lie groups on manifolds and representations |
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10 | (2) |
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2.5 Orbits and homogeneous spaces |
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12 | (2) |
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2.6 Left, right, and adjoint action |
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14 | (2) |
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16 | (5) |
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21 | (4) |
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3 Lie groups and Lie algebras |
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25 | (27) |
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25 | (3) |
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28 | (2) |
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3.3 Jacobi identity and the definition of a Lie algebra |
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30 | (2) |
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3.4 Subalgebras, ideals, and center |
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32 | (1) |
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3.5 Lie algebra of vector fields |
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33 | (3) |
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3.6 Stabilizers and the center |
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36 | (2) |
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3.7 Campbell--Hausdorff formula |
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38 | (2) |
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3.8 Fundamental theorems of Lie theory |
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40 | (4) |
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3.9 Complex and real forms |
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44 | (2) |
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3.10 Example: so(3, R), su(2), and s[ (2, C) |
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46 | (2) |
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48 | (4) |
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4 Representations of Lie groups and Lie algebras |
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52 | (32) |
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52 | (2) |
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4.2 Operations on representations |
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54 | (3) |
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4.3 Irreducible representations |
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57 | (2) |
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4.4 Intertwining operators and Schur's lemma |
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59 | (2) |
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4.5 Complete reducibility of unitary representations: representations of finite groups |
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61 | (1) |
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4.6 Haar measure on compact Lie groups |
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62 | (3) |
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4.7 Orthogonality of characters and Peter-Weyl theorem |
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65 | (5) |
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4.8 Representations of sl(2, C) |
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70 | (5) |
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4.9 Spherical Laplace operator and the hydrogen atom |
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75 | (5) |
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80 | (4) |
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5 Structure theory of Lie algebras |
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84 | (24) |
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5.1 Universal enveloping algebra |
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84 | (3) |
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5.2 Poincare--Birkhoff--Witt theorem |
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87 | (3) |
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90 | (1) |
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5.4 Solvable and nilpotent Lie algebras |
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91 | (3) |
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5.5 Lie's and Engel's theorems |
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94 | (2) |
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5.6 The radical. Semisimple and reductive algebras |
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96 | (3) |
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5.7 Invariant bilinear forms and semisimplicity of classical Lie algebras |
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99 | (2) |
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5.8 Killing form and Cartan's criterion |
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101 | (3) |
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104 | (2) |
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106 | (2) |
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6 Complex semisimple Lie algebras |
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108 | (24) |
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6.1 Properties of semisimple Lie algebras |
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108 | (2) |
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6.2 Relation with compact groups |
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110 | (2) |
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6.3 Complete reducibility of representations |
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112 | (4) |
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6.4 Semisimple elements and toral subalgebras |
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116 | (3) |
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119 | (1) |
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6.6 Root decomposition and root systems |
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120 | (6) |
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6.7 Regular elements and conjugacy of Cartan subalgebras |
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126 | (4) |
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130 | (2) |
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132 | (31) |
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7.1 Abstract root systems |
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132 | (2) |
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7.2 Automorphisms and the Weyl group |
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134 | (1) |
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7.3 Pairs of roots and rank two root systems |
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135 | (2) |
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7.4 Positive roots and simple roots |
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137 | (3) |
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7.5 Weight and root lattices |
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140 | (2) |
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142 | (4) |
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146 | (3) |
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7.8 Dynkin diagrams and classification of root systems |
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149 | (5) |
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7.9 Serre relations and classification of semisimple Lie algebras |
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154 | (3) |
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7.10 Proof of the classification theorem in simply-laced case |
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157 | (3) |
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160 | (3) |
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8 Representations of semisimple Lie algebras |
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163 | (39) |
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8.1 Weight decomposition and characters |
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163 | (4) |
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8.2 Highest weight representations and Verma modules |
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167 | (4) |
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8.3 Classification of irreducible finite-dimensional representations |
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171 | (3) |
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8.4 Bernstein--Gelfand--Gelfand resolution |
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174 | (3) |
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8.5 Weyl character formula |
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177 | (5) |
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182 | (1) |
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8.7 Representations of sl(n, C) |
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183 | (4) |
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8.8 Harish-Chandra isomorphism |
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187 | (5) |
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8.9 Proof of Theorem 8.25 |
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192 | (2) |
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194 | (8) |
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Overview of the literature |
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197 | (1) |
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197 | (1) |
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198 | (1) |
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198 | (4) |
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Appendix A Root systems and simple Lie algebras |
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202 | (8) |
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A.1 An =s[ (n + 1, C), n ≥ 1 |
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202 | (2) |
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A.2 Bn = so(2n + 1, C), n ≥ 1 |
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204 | (2) |
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206 | (1) |
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A.4 Dn = so(2n, C), n ≥ 2 |
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207 | (3) |
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Appendix B Sample syllabus |
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210 | (3) |
List of notation |
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213 | (3) |
Bibliography |
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216 | (4) |
Index |
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220 | |