## Linear Operators: Spectral operators |

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K = { x € VIO S x } is called the

K = { x € VIO S x } is called the

**positive**cone of V ( with respect to S ) ; it is easy to see that K satisfies ( i ) K + K SK , ( ii ) AK S K for all de R ...Page 2564

3. Invariant subspaces and unstarred operator algebras . Pacific J. Math . 17 , 511-517 ( 1966 ) . Sasser , D. W. 1. Quasi -

3. Invariant subspaces and unstarred operator algebras . Pacific J. Math . 17 , 511-517 ( 1966 ) . Sasser , D. W. 1. Quasi -

**positive**operators .Page 2565

On the point spectrum of

On the point spectrum of

**positive**operators . Proc . Amer . Math . Soc . 15 , 56–60 ( 1964 ) . 15 . On the role of order structures in spectral theory .### What people are saying - Write a review

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### Contents

SPECTRAL OPERATORS 1937 1941 1945 XV Spectral Operators | 1924 |

Introduction | 1927 |

Terminology and Preliminary Notions | 1929 |

Copyright | |

32 other sections not shown

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adjoint operator Amer analytic apply arbitrary assumed B-space Banach space belongs Boolean algebra Borel set boundary conditions bounded bounded operator Chapter clear closed commuting compact complex constant contains continuous converges Corollary corresponding countably additive defined Definition denote dense determined differential operator domain elements equation equivalent established exists extension fact finite follows formal formula function given gives Hence Hilbert space hypothesis identity inequality integral invariant inverse Lemma limit linear operator Math Moreover multiplicity norm perturbation plane positive preceding present problem projections PROOF properties prove range resolution resolvent restriction Russian satisfies scalar type seen sequence shown shows similar solution spectral measure spectral operator spectrum subset sufficiently Suppose Theorem theory topology unbounded uniformly unique valued vector zero