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Preface | |
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Introduction | |
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The program of Lie | |
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A result of Galois | |
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Group theory background | |
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Approach to solving polynomial equations | |
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Solution of the quadratic equation | |
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Solution of the cubic equation | |
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Solution of the quartic equation | |
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The quintic cannot be solved | |
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Example | |
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Conclusion | |
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Problems | |
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Lie groups | |
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Algebraic properties | |
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Topological properties | |
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Unification of algebra and topology | |
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Unexpected simplification | |
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Conclusion | |
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Problems | |
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Matrix groups | |
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Preliminaries | |
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No constraints | |
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Linear constraints | |
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Bilinear and quadratic constraints | |
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Multilinear constraints | |
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Intersections of groups | |
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Embedded groups | |
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Modular groups | |
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Conclusion | |
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Problems | |
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Lie algebras | |
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Why bother? | |
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How to linearize a Lie group | |
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Inversion of the linearization map: EXP | |
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Properties of a Lie algebra | |
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Structure constants | |
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Regular representation | |
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Structure of a Lie algebra | |
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Inner product | |
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Invariant metric and measure on a Lie group | |
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Conclusion | |
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Problems | |
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Matrix algebras | |
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Preliminaries | |
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No constraints | |
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Linear constraints | |
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Bilinear and quadratic constraints | |
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Multilinear constraints | |
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Intersections of groups | |
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Algebras of embedded groups | |
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Modular groups | |
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Basis vectors | |
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Conclusion | |
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Problems | |
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Operator algebras | |
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Boson operator algebras | |
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Fermion operator algebras | |
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First order differential operator algebras | |
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Conclusion | |
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Problems | |
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EXPonentiation | |
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Preliminaries | |
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The covering problem | |
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The isomorphism problem and the covering group | |
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The parameterization problem and BCH formulas | |
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EXPonentials and physics | |
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Conclusion | |
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Problems | |
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Structure theory for Lie algebras | |
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Regular representation | |
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Some standard forms for the regular representation | |
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What these forms mean | |
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How to make this decomposition | |
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An example | |
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Conclusion | |
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Problems | |
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Structure theory for simple Lie algebras | |
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Objectives of this program | |
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Eigenoperator decomposition - secular equation | |
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Rank | |
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Invariant operators | |
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Regular elements | |
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Semisimple Lie algebras | |
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Canonical commutation relations | |
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Conclusion | |
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Problems | |
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Root spaces and Dynkin diagrams | |
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Properties of roots | |
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Root space diagrams | |
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Dynkin diagrams | |
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Conclusion | |
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Problems | |
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Real forms | |
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Preliminaries | |
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Compact and least compact real forms | |
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Cartan's procedure for constructing real forms | |
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Real forms of simple matrix Lie algebras | |
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Results | |
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Conclusion | |
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Problems | |
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Riemannian symmetric spaces | |
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Brief review | |
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Globally symmetric spaces | |
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Rank | |
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Riemannian symmetric spaces | |
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Metric and measure | |
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Applications and examples | |
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Pseudo-Riemannian symmetric spaces | |
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Conclusion | |
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Problems | |
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Contraction | |
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Preliminaries | |
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Inonu-Wigner contractions | |
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Simple examples of Inonu-Wigner contractions | |
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The contraction U(2) to H[subscript 4] | |
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Conclusion | |
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Problems | |
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Hydrogenic atoms | |
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Introduction | |
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Two important principles of physics | |
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The wave equations | |
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Quantization conditions | |
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Geometric symmetry SO(3) | |
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Dynamical symmetry SO(4) | |
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Relation with dynamics in four dimensions | |
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DeSitter symmetry SO(4, 1) | |
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Conformal symmetry SO(4, 2) | |
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Spin angular momentum | |
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Spectrum generating group | |
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Conclusion | |
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Problems | |
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Maxwell's equations | |
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Introduction | |
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Review of the inhomogeneous Lorentz group | |
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Subgroups and their representations | |
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Representations of the Poincare group | |
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Transformation properties | |
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Maxwell's equations | |
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Conclusion | |
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Problems | |
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Lie groups and differential equations | |
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The simplest case | |
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First order equations | |
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An example | |
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Additional insights | |
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Conclusion | |
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Problems | |
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Bibliography | |
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Index | |