## Linear Operators, Part 2 |

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Page 1270

The

The

**problem**of determining whether a given symmetric operator has a self adjoint extension is of crucial importance in determining whether the spectral ...Page 1703

The Elliptic Boundary Value

The Elliptic Boundary Value

**Problem**Can the boundary value theory and the spectral theory of Chapter XIII be generalized to partial differential operators ?Page 1831

Infinite J - matrices and a matrix moment

Infinite J - matrices and a matrix moment

**problem**. Doklady Akad . Nauk SSSR ( N. S. ) 69 , 125–128 ( 1949 ) . ( Russian ) Math . Rev. 11 , 670 ( 1950 ) .### What people are saying - Write a review

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### Contents

BAlgebras | 859 |

Bounded Normal Operators in Hilbert Space | 887 |

Miscellaneous Applications | 937 |

Copyright | |

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additive Akad 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 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 Russian satisfies seen sequence singular solution spectral square-integrable statement subset subspace sufficiently Suppose symmetric Theorem theory topology transform unique vanishes vector zero