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Author Onishchik, Arkadij L. author Lie Groups and Algebraic Groups [electronic resource] / by Arkadij L. Onishchik, Ernest B. Vinberg Berlin, Heidelberg : Springer Berlin Heidelberg, 1990 http://dx.doi.org/10.1007/978-3-642-74334-4 XX, 330 p. online resource

SUMMARY

This book is based on the notes of the authors' seminar on algebraic and Lie groups held at the Department of Mechanics and Mathematics of Moscow University in 1967/68. Our guiding idea was to present in the most economic way the theory of semisimple Lie groups on the basis of the theory of algebraic groups. Our main sources were A. Borel's paper [34], C. ChevalIey's seminar [14], seminar "Sophus Lie" [15] and monographs by C. Chevalley [4], N. Jacobson [9] and J-P. Serre [16, 17]. In preparing this book we have completely rearranged these notes and added two new chapters: "Lie groups" and "Real semisimple Lie groups". Several traditional topics of Lie algebra theory, however, are left entirely disregarded, e.g. universal enveloping algebras, characters of linear representations and (co)homology of Lie algebras. A distinctive feature of this book is that almost all the material is presented as a sequence of problems, as it had been in the first draft of the seminar's notes. We believe that solving these problems may help the reader to feel the seminar's atmosphere and master the theory. Nevertheless, all the non-trivial ideas, and sometimes solutions, are contained in hints given at the end of each section. The proofs of certain theorems, which we consider more difficult, are given directly in the main text. The book also contains exercises, the majority of which are an essential complement to the main contents

CONTENT

1. Lie Groups -- ยง 1. Background -- ยง2. Tangent Algebra -- ยง3. Connectedness and Simple Connectedness -- ยง 4. The Derived Algebra and the Radical -- 2. Algebraic Varieties -- ยง1. Affine Algebraic Varieties -- ยง 2. Projective and Quasiprojective Varieties -- ยง 3. Dimension and Analytic Properties of Algebraic Varieties -- 3. Algebraic Groups -- ยง 1. Background -- ยง2. Commutative and Solvable Algebraic Groups -- ยง 3. The Tangent Algebra -- ยง4. Compact Linear Groups -- 4. Complex Semisimple Lie Groups -- ยง1. Preliminaries -- ยง2. Root Systems -- ยง3. Existence and Uniqueness Theorems -- ยง4. Automorphisms -- 5. Real Semisimple Lie Groups -- ยง 1. Real Forms of Complex Semisimple Lie Groups and Algebras -- ยง 2. Compact Lie Groups and Reductive Algebraic Groups -- ยง 3. Cartan Decomposition -- ยง 4. Real Root Decomposition -- 6. Levi Decomposition -- 1ยฐ. Leviโ{128}{153}s Theorem -- 2ยฐ. Existence of a Lie Group with the Given Tangent Algebra -- 3ยฐ. Malcevโ{128}{153}s Theorem -- 4ยฐ. Algebraic Levi Decomposition -- Exercises -- Hints to Problems -- Reference Chapter -- ยง 1. Useful Formulae -- ยง2. Tables

Mathematics Algebraic geometry Group theory Topological groups Lie groups Physics Mathematics Topological Groups Lie Groups Group Theory and Generalizations Algebraic Geometry Theoretical Mathematical and Computational Physics

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