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AuthorWarner, Garth. author
TitleHarmonic Analysis on Semi-Simple Lie Groups I [electronic resource] / by Garth Warner
ImprintBerlin, Heidelberg : Springer Berlin Heidelberg, 1972
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Descript XVI, 532 p. 2 illus. online resource


The representation theory of locally compact groups has been vigยญ orously developed in the past twenty-five years or so; of the various branches of this theory, one of the most attractive (and formidable) is the representation theory of semi-simple Lie groups which, to a great extent, is the creation of a single man: Harish-Chandra. The chief objective of the present volume and its immediate successor is to provide a reasonably self-contained introduction to Harish-Chandra's theory. Granting cerยญ tain basic prerequisites (cf. infra), we have made an effort to give full details and complete proofs of the theorems on which the theory rests. The structure of this volume and its successor is as follows. Each book is divided into chapters; each chapter is divided into sections; each section into numbers. We then use the decimal system of reference; for example, 1. 3. 2 refers to the second number in the third section of the first chapter. Theorems, Propositions, Lemmas, and Corollaries are listed consecutively throughout any given number. Numbers which are set in fine print may be omitted at a first reading. There are a variety of Examยญ ples scattered throughout the text; the reader, if he is so inclined, can view them as exercises ad libitum. The Appendices to the text collect certain ancillary results which will be used on and off in the systematic exposiยญ tion; a reference of the form A2


1 The Structure of Real Semi-Simple Lie Groups -- 1.1 Preliminaries -- 1.2 The Bruhat Decompositionโ{128}{148}Parabolic Subgroups -- 1.3 Cartan Subalgebras -- 1.4 Cartan Subgroups -- 2 The Universal Enveloping Algebra of a Semi-Simple Lie Algebra -- 2.1 Invariant Theory I โ{128}{148} Generalities -- 2.2 Invariant Theory II โ{128}{148} Applications to Reductive Lie Algebras -- 2.3 On the Structure of the Universal Enveloping Algebra -- 2.4 Representations of a Reductive Lie Algebra -- 2.5 Representations on Cohomology Groups -- 3 Finite Dimensional Representations of a Semi-Simple Lie Group -- 3.1 Holomorphic Representations of a Complex Semi-Simple Lie Group -- 3.2 Unitary Representations of a Compact Semi-Simple Lie Group -- 3.3 Finite Dimensional Class One Representations of a Real Semi-Simple Lie Group -- 4 Infinite Dimensional Group Representation Theory -- 4.1 Representations on a Locally Convex Space -- 4.2 Representations on a Banach Space -- 4.3 Representations on a Hubert Space -- 4.3.1 Generalities -- 4.3.2 Examples -- 4.4 Differentiable Vectors, Analytic Vectors -- 4.5 Large Compact Subgroups -- 5 Induced Representations -- 5.1 Unitarily Induced Representations -- 5.2 Quasi-Invariant Distributions -- 5.3 Irreducibility of Unitarily Induced Representations -- 5.4 Systems of Imprimitivity -- 5.5 Applications to Semi-Simple Lie Groups -- Appendices -- 1 Quasi-Invariant Measures -- 2 Distributions on a Manifold -- 2.1 Differential Operators and Function Spaces -- 2.2 Tensor Products of Topological Vector Spaces -- 2.3 Vector Distributions -- 2.4 Distributions on a Lie Group -- General Notational Conventions -- List of Notations -- Guide to the Literature

Mathematics Algebra Mathematics Algebra


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