Preface | p. xi |
Introduction | p. 1 |
The program of Lie | p. 1 |
A result of Galois | p. 2 |
Group theory background | p. 3 |
Approach to solving polynomial equations | p. 8 |
Solution of the quadratic equation | p. 10 |
Solution of the cubic equation | p. 11 |
Solution of the quartic equation | p. 15 |
The quintic cannot be solved | p. 17 |
Example | p. 18 |
Conclusion | p. 21 |
Problems | p. 22 |
Lie groups | p. 24 |
Algebraic properties | p. 24 |
Topological properties | p. 25 |
Unification of algebra and topology | p. 27 |
Unexpected simplification | p. 29 |
Conclusion | p. 29 |
Problems | p. 30 |
Matrix groups | p. 34 |
Preliminaries | p. 34 |
No constraints | p. 35 |
Linear constraints | p. 36 |
Bilinear and quadratic constraints | p. 39 |
Multilinear constraints | p. 42 |
Intersections of groups | p. 43 |
Embedded groups | p. 43 |
Modular groups | p. 44 |
Conclusion | p. 46 |
Problems | p. 47 |
Lie algebras | p. 55 |
Why bother? | p. 55 |
How to linearize a Lie group | p. 56 |
Inversion of the linearization map: EXP | p. 57 |
Properties of a Lie algebra | p. 59 |
Structure constants | p. 61 |
Regular representation | p. 62 |
Structure of a Lie algebra | p. 63 |
Inner product | p. 64 |
Invariant metric and measure on a Lie group | p. 66 |
Conclusion | p. 69 |
Problems | p. 69 |
Matrix algebras | p. 74 |
Preliminaries | p. 74 |
No constraints | p. 74 |
Linear constraints | p. 75 |
Bilinear and quadratic constraints | p. 78 |
Multilinear constraints | p. 80 |
Intersections of groups | p. 80 |
Algebras of embedded groups | p. 81 |
Modular groups | p. 81 |
Basis vectors | p. 81 |
Conclusion | p. 83 |
Problems | p. 83 |
Operator algebras | p. 88 |
Boson operator algebras | p. 88 |
Fermion operator algebras | p. 89 |
First order differential operator algebras | p. 90 |
Conclusion | p. 93 |
Problems | p. 93 |
EXPonentiation | p. 99 |
Preliminaries | p. 99 |
The covering problem | p. 100 |
The isomorphism problem and the covering group | p. 105 |
The parameterization problem and BCH formulas | p. 108 |
EXPonentials and physics | p. 114 |
Conclusion | p. 119 |
Problems | p. 120 |
Structure theory for Lie algebras | p. 129 |
Regular representation | p. 129 |
Some standard forms for the regular representation | p. 129 |
What these forms mean | p. 133 |
How to make this decomposition | p. 135 |
An example | p. 136 |
Conclusion | p. 136 |
Problems | p. 137 |
Structure theory for simple Lie algebras | p. 139 |
Objectives of this program | p. 139 |
Eigenoperator decomposition - secular equation | p. 140 |
Rank | p. 143 |
Invariant operators | p. 143 |
Regular elements | p. 146 |
Semisimple Lie algebras | p. 147 |
Canonical commutation relations | p. 151 |
Conclusion | p. 153 |
Problems | p. 154 |
Root spaces and Dynkin diagrams | p. 159 |
Properties of roots | p. 159 |
Root space diagrams | p. 160 |
Dynkin diagrams | p. 165 |
Conclusion | p. 168 |
Problems | p. 168 |
Real forms | p. 172 |
Preliminaries | p. 172 |
Compact and least compact real forms | p. 174 |
Cartan's procedure for constructing real forms | p. 176 |
Real forms of simple matrix Lie algebras | p. 177 |
Results | p. 181 |
Conclusion | p. 182 |
Problems | p. 183 |
Riemannian symmetric spaces | p. 189 |
Brief review | p. 189 |
Globally symmetric spaces | p. 190 |
Rank | p. 191 |
Riemannian symmetric spaces | p. 192 |
Metric and measure | p. 193 |
Applications and examples | p. 194 |
Pseudo-Riemannian symmetric spaces | p. 197 |
Conclusion | p. 198 |
Problems | p. 198 |
Contraction | p. 205 |
Preliminaries | p. 205 |
Inonu-Wigner contractions | p. 206 |
Simple examples of Inonu-Wigner contractions | p. 206 |
The contraction U(2) to H[subscript 4] | p. 211 |
Conclusion | p. 216 |
Problems | p. 217 |
Hydrogenic atoms | p. 221 |
Introduction | p. 221 |
Two important principles of physics | p. 222 |
The wave equations | p. 223 |
Quantization conditions | p. 224 |
Geometric symmetry SO(3) | p. 227 |
Dynamical symmetry SO(4) | p. 230 |
Relation with dynamics in four dimensions | p. 233 |
DeSitter symmetry SO(4, 1) | p. 235 |
Conformal symmetry SO(4, 2) | p. 238 |
Spin angular momentum | p. 243 |
Spectrum generating group | p. 245 |
Conclusion | p. 249 |
Problems | p. 250 |
Maxwell's equations | p. 259 |
Introduction | p. 259 |
Review of the inhomogeneous Lorentz group | p. 261 |
Subgroups and their representations | p. 262 |
Representations of the Poincare group | p. 264 |
Transformation properties | p. 270 |
Maxwell's equations | p. 273 |
Conclusion | p. 275 |
Problems | p. 275 |
Lie groups and differential equations | p. 284 |
The simplest case | p. 285 |
First order equations | p. 286 |
An example | p. 290 |
Additional insights | p. 295 |
Conclusion | p. 302 |
Problems | p. 303 |
Bibliography | p. 309 |
Index | p. 313 |
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