Preface Chapter 1.Spectral Theory and Banach Algebras 1.1.Origins of Spectral Theory 1.2.The Spectrum of an Operator 1.3.Banach Algebras: Examples 1.4.The Regular Representation 1.5.The General Linear Group of A 1.6.Spectrum of an Element of a Banach Algebra 1.7.Spectral Radius 1.8.Ideals and Quotients 1.9.Commutative Banach Algebras 1.10.Examples: C(X) and the Wiener Algebra 1.11.Spectral Permanence Theorem 1.12.Brief on the Analytic Functional Calculus Chapter 2.Operators on Hilbert Space 2.1.Operators and Their C*-Algebras 2.2.Commutative C*-Algebras 2.3.Continuous Functions of Normal Operators 2.4.The Spectral Theorem and Diagonalization 2.5.Representations of Banach *-Algebras 2.6.Borel Functions of Normal Operators 2.7.Spectral Measures 2.8.Compact Operators 2.9.Adjoining a Unit to a C*-Algebra 2.10.Quotients of C*-Algebras Chapter 3.Asymptotics: Compact Perturbations and Fredholm Theory 3.1.The Calkin Algebra 3.2.Riesz Theory of Compact Operators 3.3.Fredholm Operators 3.4.The Fredholm Index Chapter 4.Methods and Applications 4.1.Maximal Abelian yon Neumann Algebras 4.2.Toeplitz Matrices and Toeplitz Operators 4.3.The Toeplitz C*-Algebra 4.4.Index Theorem for Continuous Symbols 4.5.Some H2 Function Theory 4.6.Spectra of Toeplitz Operators with Continuous Symbol 4.7.States and the GNS Construction 4.8.Existence of States: The Gelfand-Naimark Theorem Bibliography Index
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