目录 CHAPTER I Nilpotent Lie Algebras and Solvable Lie Algebras 1.Lower Central Series 2.Definition of Nilpotent Lie Algebras 3.An Example of a Nilpotent Algebra 4.Engei's Theorems 5.Derived Series 6.Definition of Solvable Lie Algebras 7.Lie's Theorem 8.Cartan's Criterion CHAPTER II Semisimple Lie Algebras (General Theorems) 1.Radical and Semisimplicity 2.The Cartan-Killing Criterion 3.Decomposition of Semisimplv Lie Algebras 4.Derivations of Scmisimple Lie Algebras 5.Semisimple Elements and Nilpotent Elements 6.Complete Reducibility Theorem 7.Complex Simple Lie Algebras 8.The Passage from Real to Complex CHAPTER III Caftan Subalgebras 1.Definition of Cartan Subalgebras 2.Regular Elements: Rank 3.The Cartan Subalgebra Associated with a Regular Element 4.Conjugacy of Cartan Subalgebras 5.The Semisimple Case 6.Real Lie Algebras CHAPTER IV The Algebra sl2 and Its Representations 1.The Lie Algebra sl2 2.Modules, Weights, Primitive Elements 3.Structure of the Submodule Generated by a Primitive Element 4.The Modules Wm 5.Structure of the Finite-Dimensional 9-Modules 6.Topological Properties of the Group SL2 7.Applications CHAPTER V Root Systems 1.Symmetries 2.Definition of Root Systems 3.First Examples 4.The Weyl Group 5.lnvariant Quadratic Forms 6.Inverse Systems 7.Relative Position of Two Roots 8.Bases 9.Some Properties of Bases 10.Relations with the Weyl Group 11.The Cartan Matrix 12.The Coxeter Graph 13.Irreducible Root Systems 14.Classification of Connected Coxeter Graphs 15.Dynkin Diagrams 16.Construction of Irreducible Root Systems 17.Complex Root Systems CHAPTER VI Structure of Semisimple Lie Algebras 1.Decomposition ofg 2.Proof of Theorem 2 3.Borei Subalgebras 4.Weyl Bases 5.Existence and Uniqueness Theorems 6.Chevalley's Normalization Appendix.Construction of Semisimple Lie Algebras by Generators and Relations CHAPTER VII Linear Representations of Semisimple Lie Algebras 1.Weights 2.Primitive Elements 3, Irreducible Modules with a Highest Weight 4.Finite-Dimensional Modules 5.An Application to the Weyl Group 6.Example: sln+l 7.Characters 8.H.Weyl's formula CHAPTER VIII Complex Groups and Compact Groups 1.Cartan Subgroups 2.Characters 3.Relations with Representations 4.Borel Subgroups 5.Construction of Irreducible Representations from Borei Subgroups 6.Relations with Algebraic Groups 7.Relations with Compact Groups Bibliography Index
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