## 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 2094

The situation corresponding to an

The situation corresponding to an

**invariant**closed subspace of T is not so simple . However , Fixman ( 1 ) proved that the restriction of a spectral ...Page 2214

Then an operator is in the weakly closed algebra generated by B if and only if it leaves

Then an operator is in the weakly closed algebra generated by B if and only if it leaves

**invariant**every closed linear manifold which is**invariant**under ...Page 2286

...

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**invariant**under B , the resolution of the identity of Q. 37 DEFINITION . If M is a closed**invariant**subspace in X , we denote by ( M ) the closure in H ...### What people are saying - Write a review

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### Contents

SPECTRAL OPERATORS | 1924 |

Introduction | 1927 |

Terminology and Preliminary Notions | 1929 |

Copyright | |

28 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 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