## Linear Operators: Part III: Spectral Operators [by] Nelson Dunford and Jacob T. Schwartz, with the Assistance of William G. Bade and Robert G. Bartle, Volume 1 |

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Page 1976

The

The

**integral**( iii ) SE ( 0 ) E ( o ; Â ( 8 ) ) e ( ds ) , σε 8 , is a bounded , countably additive spectral measure in HP and ( iv ) So [ low , playE [ dA ; Â ( 0 ) ] elds ) = Sec , ecu [ [ [ da ; Ålo ) e ( do ) ] Ç ( A ) ( Sow ( a ) Â ...Page 1990

Here , we shall first be concerned with certain special examples of convolutions which map H into H , which belong to the algebra A , and which have an

Here , we shall first be concerned with certain special examples of convolutions which map H into H , which belong to the algebra A , and which have an

**integral**representation in one of the two forms ( 18 ) ( S * q ) ( 3 ) = S ...Page 1991

This observation enables us to define the

This observation enables us to define the

**integral**( 21 ) f ( s ) = Se - ts ' ) ( dt ) , = - ) , 8 € RN RN which will be used presently . The translation qe , however , is not compact valued , and we proceed as follows .### What people are saying - Write a review

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### Contents

SPECTRAL OPERATORS | 1924 |

Introduction | 1927 |

Terminology and Preliminary Notions | 1929 |

Copyright | |

47 other sections not shown

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### Common terms and phrases

adjoint operator Amer analytic apply arbitrary assumed B-space Banach space belongs Boolean algebra Borel set boundary conditions bounded bounded operator Chapter clear closed commuting compact complex constant contains continuous converges Corollary corresponding defined Definition denote dense determined differential operator domain elements equation equivalent established exists extension fact finite follows formal formula given gives Hence Hilbert space hypothesis identity inequality integral invariant inverse Lemma limit linear operator Math Moreover multiplicity norm perturbation plane positive preceding present problem projections PROOF properties prove range resolution resolvent restriction Russian satisfies scalar type seen sequence shown shows similar solution spectral measure spectral operator spectrum subset sufficiently Suppose Theorem theory topology unbounded uniformly unique valued vector zero