## 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 1915

... the quantum mechanical version of the three body problem , and other contemporary problems of mathematical physics to which the results of Chapter XX

... the quantum mechanical version of the three body problem , and other contemporary problems of mathematical physics to which the results of Chapter XX

**apply**, has a direct short path to these problems ; namely , Theorem XVI.5.19 ...Page 2403

We then use this inequality to

We then use this inequality to

**apply**Theorem 1 in an illustrative but somewhat artificial setting , essentially to ... A first**application**( Theorem 6 ) is made in this way , and immediately following upon this we develop a similar but ...Page 2418

We may now

We may now

**apply**Theorem 8 and Corollary 9 , and the conclusion of the present theorem follows immediately . Q.E.D. -1 - > - -1 > As the reader must surely suspect , Theorems 1 and 8 can also be applied if we let T be the operator f ( s ) ...### 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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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