## Linear Operators: Spectral theory |

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Page 1188

If the domain D ( T ) of the operator T is

consists , by definition , of all y in H for which ( Tx , y ) is continuous for x in D ( T )

. Since D ( T ) is

H ...

If the domain D ( T ) of the operator T is

**dense**in H then the domain D ( T * )consists , by definition , of all y in H for which ( Tx , y ) is continuous for x in D ( T )

. Since D ( T ) is

**dense**in v there is ( IV . 4 . 5 ) a uniquely determined point y * inH ...

Page 1271

Let T be a symmetric operator with domain D ( T )

) , we have | ( T£il ) x | 2 = ( Tx , Tx ) Fi ( x , Tx ) £i ( Tx , x ) + ( x , x ) = | Tx | 2 + 1

2012 2 \ x12 . This shows that if ( T£il ) x = 0 , then x = 0 and so the operators T il ...

Let T be a symmetric operator with domain D ( T )

**dense**in H . Then if x is in D ( T) , we have | ( T£il ) x | 2 = ( Tx , Tx ) Fi ( x , Tx ) £i ( Tx , x ) + ( x , x ) = | Tx | 2 + 1

2012 2 \ x12 . This shows that if ( T£il ) x = 0 , then x = 0 and so the operators T il ...

Page 1905

14 ( 132 ) Saks decomposition , IV . 9 . 7 ( 308 ) Yosida - Hewitt decomposition , (

233 ) Deficiency indices and spaces , definition , XII . 4 . 9 ( 1226 ) De Morgan ,

rules of , ( 2 )

14 ( 132 ) Saks decomposition , IV . 9 . 7 ( 308 ) Yosida - Hewitt decomposition , (

233 ) Deficiency indices and spaces , definition , XII . 4 . 9 ( 1226 ) De Morgan ,

rules of , ( 2 )

**Dense**convex sets , V . 7 . 27 ( 437 )**Dense**linear manifolds , V . 7 .### What people are saying - Write a review

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### Contents

IX | 859 |

Eigenvalues and Eigenvectors | 903 |

Spectral Representation | 911 |

Copyright | |

15 other sections not shown

### Other editions - View all

Linear Operators, Part 1 Nelson Dunford,Jacob T. Schwartz,William G. Bade,Robert G. Bartle Snippet view - 1958 |

### Common terms and phrases

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