Description: I. Basic Concepts.- 1. Definitions and first examples.- 2. Ideals and homomorphisms.- 3. Solvable and nilpotent Lie algebras.- II. Semisimple Lie Algebras.- 4. Theorems of Lie and Cartan.- 5. Killing form.- 6. Complete reducibility of representations.- 7. Representations of sl (2, F).- 8. Root space decomposition.- III. Root Systems.- 9. Axiomatics.- 10. Simple roots and Weyl group.- 11. Classification.- 12. Construction of root systems and automorphisms.- 13. Abstract theory of weights.- IV. Isomorphism and Conjugacy Theorems.- 14. Isomorphism theorem.- 15. Cartan subalgebras.- 16. Conjugacy theorems.- V. Existence Theorem.- 17. Universal enveloping algebras.- 18. The simple algebras.- VI. Representation Theory.- 20. Weights and maximal vectors.- 21. Finite dimensional modules.- 22. Multiplicity formula.- 23. Characters.- 24. Formulas of Weyl, Kostant, and Steinberg.- VII. Chevalley Algebras and Groups.- 25. Chevalley basis of L.- 26. Kostant's Theorem.- 27. Admissible lattices.- References.- Afterword (1994).- Index of Terminology.- Index of Symbols.

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