## Linear Operators: Spectral theory |

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Page 950

Instead of restricting our consideration to the case of the additive group of real

numbers, we shall discuss the case of a locally

denote by R. We assume throughout that R is o-

Instead of restricting our consideration to the case of the additive group of real

numbers, we shall discuss the case of a locally

**compact**Abelian group which wedenote by R. We assume throughout that R is o-

**compact**, i.e., the union of ...Page 1150

ence of Haar measure on a locally

remarked in the text, the development presented in this section is valid for a

general non-discrete locally

are a few ...

ence of Haar measure on a locally

**compact**, o-**compact**Abelian group. Asremarked in the text, the development presented in this section is valid for a

general non-discrete locally

**compact**, o-**compact**Abelian group. However, thereare a few ...

Page 1331

|KIP. = s.s.,. K(,. s)"dad. &. Co. is

9.52, but, for the sake of completeness, a proof will be given here. Note first, that

by Schwarz' inequality, ...

|KIP. = s.s.,. K(,. s)"dad. &. Co. is

**compact**. This is a special case of Exercise VI.9.52, but, for the sake of completeness, a proof will be given here. Note first, that

by Schwarz' inequality, ...

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### Contents

SPECTRAL THEORY | 858 |

Bounded Normal Operators in Hilbert Space | 887 |

Miscellaneous Applications | 937 |

Copyright | |

34 other sections not shown

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### Common terms and phrases

additive Akad algebra Amer analytic applied assume Banach spaces basis belongs Borel boundary conditions boundary values bounded called clear closed closure coefficients compact complete Consequently constant contains continuous converges Corollary corresponding defined Definition denote dense determined domain eigenvalues element equal equation essential spectrum evident Exercise exists extension finite follows formal differential operator formula function function f given Hence Hilbert space identity independent indices inequality integral interval Lemma limit linear mapping Math measure multiplicity neighborhood norm obtained partial positive preceding present problem projection PRoof properties prove range regular remark representation respectively restriction result satisfies seen sequence singular solution spectral square-integrable statement subset subspace sufficiently Suppose symmetric Theorem theory topology transform unique vanishes vector zero