## Linear Operators: General theory |

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p 3

p 3

**Proof**. Let x ** < ( L * ) * . By Theorem 1 , L * is isometrically isomorphic to Lą , so that there is a functional y * € L * such that *** ( ** ) = y * ( 8 ) when g and x * are connected , as in Theorem 1 , by the formula ** 1 ...Page 415

Hence ko e p - A , and thus pe A + ko C A + K . Q.E.D. Since the commutativity of the group G is not essential to the

Hence ko e p - A , and thus pe A + ko C A + K . Q.E.D. Since the commutativity of the group G is not essential to the

**proof**, the same result holds for non - Abelian topological groups . 4 LEMMA . For arbitrary sets A , B in a linear ...Page 699

2 2 Therefore e - vi 2 1 pode - 1 / 4x e - xt dx 2nJo 23/2 2νπ ** - GVO - VA ) dx 2 vn Jo 2e - Vt ma poo Vt -- ) . . e dy 2y2 Va 2e - Vt νπ A = e - vt , Ꭰ which proves ( * ) and completes the

2 2 Therefore e - vi 2 1 pode - 1 / 4x e - xt dx 2nJo 23/2 2νπ ** - GVO - VA ) dx 2 vn Jo 2e - Vt ma poo Vt -- ) . . e dy 2y2 Va 2e - Vt νπ A = e - vt , Ꭰ which proves ( * ) and completes the

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### Contents

B Topological Preliminaries | 10 |

quences | 26 |

Algebraic Preliminaries | 34 |

Copyright | |

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Acad algebra Amer analytic applied arbitrary assumed B-space Banach Banach spaces bounded called clear closed compact complex condition contains continuous functions converges convex Corollary countably additive defined DEFINITION denote dense determined differential disjoint Doklady Akad 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 meaning measure space metric neighborhood norm operator positive measure problem Proc Proof properties proved respect Russian satisfies scalar seen semi-group separable sequence set function Show shown sphere statement subset sufficient Suppose Theorem theory topological space topology transformations u-measurable uniform uniformly unique unit valued vector weak weakly compact zero