## Linear Operators: General theory |

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Page 743

J .

. Acta

Two sided ideals and congruences in the ring of bounded operators in Hilbert ...

J .

**Math**. 78 , 282 – 288 ( 1956 ) . 4 . On the existence of certain singular integrals. Acta

**Math**. 88 , 85 – 139 ( 1952 ) . 5 . ...**Math**. Soc . 45 , 369 - 442 ( 1939 ) . 2 .Two sided ideals and congruences in the ring of bounded operators in Hilbert ...

Page 763

J .

cluster point of the spectrum of boundary value problems . Amer . J .

847 – 855 ( 1948 ) . 2 . The gaps in the essential spectra of wave equations .

Amer .

J .

**Math**. 76 , 831 - 838 ( 1954 ) . Hartman , P . , and Putnam , C . 1 . The leastcluster point of the spectrum of boundary value problems . Amer . J .

**Math**. 70 ,847 – 855 ( 1948 ) . 2 . The gaps in the essential spectra of wave equations .

Amer .

Page 797

Studia

Fourier transforms in the complex domain . Amer .

no ...

**Math**. Soc . 39 , 259 - 260 ( 1933 ) . 3 . Some theorems on orthogonal functions .Studia

**Math**. 3 , 226 – 238 ( 1931 ) . Paley , R . E . A . C . , and Wiener , N . 1 .Fourier transforms in the complex domain . Amer .

**Math**. Soc . Colloquium Pub .no ...

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### Contents

Special Spaces | 237 |

Convex Sets and Weak Topologies | 409 |

General Spectral Theory | 555 |

Copyright | |

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Acad algebra Amer analytic applied arbitrary assumed B-space Banach Banach spaces bounded called clear closed compact complex Consequently contains continuous functions converges convex Corollary countably additive defined DEFINITION denote dense determined differential disjoint Doklady Akad domain elements equation equivalent everywhere Exercise exists extension field finite follows function defined function f given Hence Hilbert space implies inequality integral interval isomorphism Lebesgue Lemma limit linear functional linear operator linear space mapping Math mean measure space metric space neighborhood norm operator positive problem Proc PROOF properties proved range regular respect Russian satisfies scalar seen semi-group separable sequence set function Show shown sphere statement subset Suppose Theorem theory topological space topology transformations u-integrable u-measurable uniformly union unique unit valued vector weak zero