## Linear Operators: Spectral theory |

### From inside the book

Results 1-3 of 63

Page 1797

J.

Acta

309 (1956). 6. Algebras of certain singular operators. Amer. J.

...

J.

**Math**. 78, 282–288 (1956). 4. On the existence of certain singular integrals.Acta

**Math**. 88,85–139 (1952). 5. On singular integrals. Amer. J.**Math**. 78, 289–309 (1956). 6. Algebras of certain singular operators. Amer. J.

**Math**. 78, 310–320...

Page 1817

Amer. J.

cluster point of the spectrum of boundary value problems. Amer. J.

–855 (1948). The gaps in the essential spectra of wave equations. Amer. J.

Amer. J.

**Math**. 76, 831–838 (1954). Hartman, P., and Putnam, C. 1. 2. The leastcluster point of the spectrum of boundary value problems. Amer. J.

**Math**. 70, 847–855 (1948). The gaps in the essential spectra of wave equations. Amer. J.

**Math**.Page 1851

Studia

transforms in the complex domain. Amer.

New York ...

**Math**. Soc. 89, 259-260 (1933). 3. Some theorems on orthogonal functions.Studia

**Math**. 3, 226–238 (1931). Paley, R. E. A. C., and Wiener, N. 1. Fouriertransforms in the complex domain. Amer.

**Math**. Soc. Colloquium Pub. no. 19,New York ...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

SPECTRAL THEORY | 858 |

Bounded Normal Operators in Hilbert Space | 887 |

Miscellaneous Applications | 937 |

Copyright | |

34 other sections not shown

### Other editions - View all

### 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