## Linear Operators, Volume 2 |

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Page 1040

yı ( 2 ) is

yı ( 2 ) is

**analytic**even at 2 = Am . It will now be shown that yz ( a ) = 2N E ( ām ; T ) * R ( ā ; T ) * y vanishes which will prove that y ( a ) is**analytic**at all the points d = am , so that y ( 2 ) can only fail to be**analytic**at ...Page 1102

The determinant det ( 1 + zTn ) is an

The determinant det ( 1 + zTn ) is an

**analytic**( and even a polynomial ) function of 2 , if Tn operates in finite - dimensional space , and hence more generally if T , has a finite - dimensional range . Thus , since a bounded convergent ...Page 1364

It follows by induction that we can construct the required functionals 91 , ... , 9n in R. We now select a neighborhood G ( 20 ) of lo such that the

It follows by induction that we can construct the required functionals 91 , ... , 9n in R. We now select a neighborhood G ( 20 ) of lo such that the

**analytic**matrix { 9 ; Q ; ( 2 ) } has a non - vanishing determinant for a G ( 2 ) .### What people are saying - Write a review

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### Contents

BAlgebras | 859 |

Commutative BAlgebras | 868 |

Commutative BAlgebras | 874 |

Copyright | |

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additive adjoint operator algebra Amer analytic assume Banach spaces basis belongs Borel boundary conditions boundary values bounded called clear closed closure coefficients compact complex Consequently constant contains continuous converges Corollary corresponding defined Definition denote dense derivatives determined domain eigenvalues element equal equation essential spectrum evident Exercise exists extension finite follows formal differential operator formula function function f given Hence Hilbert space identity independent indices inequality integral interval Lemma limit linear mapping Math matrix measure multiplicity neighborhood norm obtained partial positive preceding present problem projection proof properties prove range regular remark representation respectively restriction result satisfies seen sequence shown singular solution spectral square-integrable statement subset subspace sufficiently Suppose symmetric Theorem theory topology transform unique vanishes vector zero