## Linear operators. 2. Spectral theory : self adjoint operators in Hilbert Space |

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Page 1678

Let û be a second function in CO ( 1 ) such that ♡ ( x ) = 1 for x in a

of K . Then yo - yo vanishes in a

Let û be a second function in CO ( 1 ) such that ♡ ( x ) = 1 for x in a

**neighborhood**of K . Then yo - yo vanishes in a

**neighborhood**of Kn C ( F ) , and vanishes in a**neighborhood**of C ( F ) -K since o vanishes in the complement of K. Hence yo ...Page 1733

Q.E.D. Lemma 18 enables us to use the method of proof of Theorem 2 in the

out in the next two lemmas . 19 LEMMA . Let o be an elliptic formal partial ...

Q.E.D. Lemma 18 enables us to use the method of proof of Theorem 2 in the

**neighborhood**of the boundary of a domain with smooth boundary . This is carriedout in the next two lemmas . 19 LEMMA . Let o be an elliptic formal partial ...

Page 1734

Let U , CT , be a bounded

so that there exists a mapping o of U , onto the unit spherical

the origin such that ( i ) y is one - to - one , is infinitely often differentiable , and o ...

Let U , CT , be a bounded

**neighborhood**of q chosen so small that BU , CE , andso that there exists a mapping o of U , onto the unit spherical

**neighborhood**V ofthe origin such that ( i ) y is one - to - one , is infinitely often differentiable , and o ...

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### Contents

BAlgebras | 859 |

Commutative BAlgebras | 868 |

Commutative BAlgebras | 874 |

Copyright | |

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