## Linear Operators: General theory |

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Page 34

The

The

**element**ab is called the product of a and b . The product ab is required to satisfy the following conditions : ( i ) a ( be ) = ( ab ) , a , b , ce G ; ( ii ) there is an**element**e in G , called the identity or the unit of G ...Page 40

An

An

**element**which is not ( right , left ) regular is called ( right , left ) singular . If Ø is a field , then a set X is said to be an algebra over Ø if X is a ring as well as a vector space over Ø and if a ( wy ) = ( ar y = x ( ay ) ...Page 335

Let L be a o - complete lattice in which every set of

Let L be a o - complete lattice in which every set of

**elements**of L which is well - ordered under the partial ordering ...**elements**a , b in W to mean that a Cb and that each**element**x which is in b but not a is an upper bound for a .### What people are saying - Write a review

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### Contents

Preliminary Concepts | 1 |

The VitaliHahnSaks Theorem and Spaces of Measures | 7 |

B Topological Preliminaries | 10 |

Copyright | |

87 other sections not shown

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Akad algebra Amer analytic applied arbitrary assumed B-space Banach Banach spaces bounded called clear closed complex Consequently contains converges convex Corollary defined DEFINITION denote dense determined differential dimensional disjoint domain element equation equivalent everywhere Exercise exists extension field finite follows function defined function f given Hence Hilbert space identity implies inequality integral interval isomorphism Lebesgue Lemma limit linear functional linear operator linear space Math measure space metric space neighborhood norm open set positive measure problem projection Proof properties proved range reflexive representation respect Russian satisfies scalar seen separable sequence set function Show shown sphere statement subset Suppose Theorem theory topological space topology u-measurable uniform uniformly unique unit valued vector weak weakly compact zero