## Linear Operators: General theory |

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Page 136

There is a uniquely determined smallest

There is a uniquely determined smallest

**field**and a uniquely determined smallest**o**-**field**containing a given family**of**sets . PROOF . There is at least one**field**, namely the**field of**all subsets**of**S , which contains a given family t ...Page 143

Let u be a vector or extended real valued function on the

Let u be a vector or extended real valued function on the

**o**-**field**and let 2 * be defined as in the preceding theorem . Then the function u with domain & * is known as the Lebesgue extension**of**u . The**o**-**field**2 * is known as the ...Page 166

Let { In } be a sequence

Let { In } be a sequence

**of**47 - simple functions converging in My - measure to a function f € Lo ( u ) = L ( S ... Σ ( Ε ) is called the restriction**of**Σ to E. If Σ , is a**field**, Εε Σ . , and Σ is the**o**-**field**generated by { ...### What people are saying - Write a review

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### Contents

Preliminary Concepts | 1 |

B Topological Preliminaries | 10 |

quences | 26 |

Copyright | |

80 other sections not shown

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### Common terms and phrases

Akad algebra Amer analytic applied arbitrary assume B-space Banach Banach spaces bounded called clear closed compact complex Consequently contains converges convex Corollary countably additive defined DEFINITION denote dense determined differential disjoint domain element 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 o-field open set operator positive problem Proc PROOF properties proved range regular respect Russian satisfies scalar seen 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