## 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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Results 1-3 of 85

Page 1947

Let B1 , . . . , Bk be a finite collection of commuting

projections in a Hilbert space H . Then there exists a

operator B in H with a

a self ...

Let B1 , . . . , Bk be a finite collection of commuting

**bounded**Boolean algebras ofprojections in a Hilbert space H . Then there exists a

**bounded**self adjointoperator B in H with a

**bounded**everywhere defined inverse such that BEB - 1 isa self ...

Page 2239

... William G. Bade, Robert G. Bartle L. Bers, J. J. Stoker. Since f Xe is a

function , the operator T ( f Xe ) is a

as in E ( e ) X , it follows from the operational calculus for

... William G. Bade, Robert G. Bartle L. Bers, J. J. Stoker. Since f Xe is a

**bounded**function , the operator T ( f Xe ) is a

**bounded**operator . If x is in E ( 7 ) X as wellas in E ( e ) X , it follows from the operational calculus for

**bounded**functions ( cf .Page 2361

Let U , be a sequence of

and suppose that lim - minze ui 1z1 = 00 . Let Vi be the boundary of U , . Let 0 Sv

< l , and put Mi = max lululaul - 1 . NEV i . UEO ( T ) Let do $ ( T ) , and let P be an

...

Let U , be a sequence of

**bounded**domains covering the whole complex plane ,and suppose that lim - minze ui 1z1 = 00 . Let Vi be the boundary of U , . Let 0 Sv

< l , and put Mi = max lululaul - 1 . NEV i . UEO ( T ) Let do $ ( T ) , and let P be an

...

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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 countably additive defined Definition denote dense determined differential operator domain elements equation equivalent established exists extension fact finite follows formal formula function 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