Lie Groups, Lie Algebras, and Cohomology

Name: Lie Groups, Lie Algebras, and Cohomology
Brand: Princeton University Press
Price: 165.99 EUR
Availability: OnlineOnly

Anthony W. Knapp(Autor*in)

Princeton University Press

1. Auflage

Erschienen am 12. Januar 2021

522 Seiten

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Inhalt

Cover Page
Half-title Page
Title Page
Copyright Page
Dedication Page
Contents
Preface
Chapter I. Lie Groups and Lie Algebras
1. SO(3) and its Lie algebra
2. Exponential of a matrix
3. Closed linear groups
4. Manifolds and Lie groups
5. Closed linear groups as Lie groups
6. Homomorphisms
7. An interesting homomorphism
8. Representations
Chapter II. Representations and Tensors
1. Abstract Lie algebras
2. Tensor product of two representations
3. Representations on the tensor algebra
4. Representations on exterior and symmetric algebras
5. Extension of scalars - complexification
6. Universal enveloping algebra
7. Symmetrization
8. Tensor products over an algebra
Chapter III. Representations of Compact Groups
1. Abstract theory
2. Irreducible representations of SU(2)
3. Root space decomposition for U(n)
4. Roots and weights for U(n)
5. Theorem of the Highest Weight for U(n)
6. Weyl group for U(n)
7. Analytic form of Borel-Weil Theorem for U(n)
Chapter IV. Cohomology of Lie Algebras
1. Motivation from differential forms
2. Motivation from extensions
3. Definition and examples
4. Computation from any free resolution
5. Lemmas for Koszul resolution
6. Exactness of Koszul resolution
Chapter V. Homological Algebra
1. Projectives and invectives
2. Functors
3. Derived functors
4. Connecting homomorphisms and long exact sequences
5. Long exact sequence for derived functors
6. Naturality of long exact sequence
Chapter VI. Application to Lie Algebras
1. Projectives and injectives
2. Lie algebra homology and cohomology
3. Poincare duality
4. Kostant's Theorem for U(n)
5. Harish-Chandra isomorphism for U(n)
6. Casselman-Osborne Theorem
Chapter VII. Relative Lie Algebra Cohomology
1. Motivation for how to construct representations
2. (g,K) modules
3. The algebra R(g,K)
4. The category C (g,K)
5. The functors P and I
6. Projectives and injectives
7. Homology, cohomology, and Ext
8. Standard resolutions
9. Poincare duality
10. Revised setting for KostantTs Theorem
11. Borel-Weil-Bott Theorem for U(n)
Chapter VIII. Representations of Noncompact Groups
1. Structure theory for U(m,n)
2. Cohomological induction
3. Vanishing above the middle dimension
4. First reduction below the middle dimension
5. Second reduction below the middle dimension
6. Vanishing below the middle dimension
7. Effect on infinitesimal character
8. Effect on multiplicities of K types
Notes
References
Index of Notation
Index

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