## Linear Operators: Spectral Theory : Self Adjoint Operators in Hilbert Space, Volume 2 |

### From inside the book

Results 1-3 of 90

Page 1926

Since , as this example shows , the theory of normal operators is not an infallible

guide even to the theory of

must revert to more general considerations in attempting to construct the desired

...

Since , as this example shows , the theory of normal operators is not an infallible

guide even to the theory of

**arbitrary**operators in finite dimensional spaces , wemust revert to more general considerations in attempting to construct the desired

...

Page 2101

This was proved by Dunford [ 18 ] ; however , McCarthy [ 1 , I ] showed that this

assertion does not hold in an

in an

...

This was proved by Dunford [ 18 ] ; however , McCarthy [ 1 , I ] showed that this

assertion does not hold in an

**arbitrary**B - space . In fact , all that can be inferredin an

**arbitrary**B - space is that Nm + 2 = 0 ; however , if o ( T ) has plane measure...

Page 2193

Q.E.D. The preceding corollary is not true if the Hilbert space is replaced by an

commuting scalar type spectral operators in a space of continuous functions

need ...

Q.E.D. The preceding corollary is not true if the Hilbert space is replaced by an

**arbitrary**B - space , for it has been shown by Kakutani [ 15 ] that the sum of twocommuting scalar type spectral operators in a space of continuous functions

need ...

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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 discrete 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