Linear Operators: Part III: Spectral Operators [by] Nelson Dunford and Jacob T. Schwartz, with the Assistance of William G. Bade and Robert G. Bartle, Volume 1 |
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Page 1909
Yath Math John Wiley & Song 9-3-72 C068658-142 Add id add . copy со Preface As stated in the Preface to Part I of this treatise , our original intention was to include the theory of spectral operators in Part II .
Yath Math John Wiley & Song 9-3-72 C068658-142 Add id add . copy со Preface As stated in the Preface to Part I of this treatise , our original intention was to include the theory of spectral operators in Part II .
Page 2112
which cover C. ( iii ) The operator T admits a duality theory of type 3 if for arbitrary open sets G1 , ... , Gn which cover the complex plane , there exist closed linear subspaces M1 , ... , M , which span X , are invariant under T ...
which cover C. ( iii ) The operator T admits a duality theory of type 3 if for arbitrary open sets G1 , ... , Gn which cover the complex plane , there exist closed linear subspaces M1 , ... , M , which span X , are invariant under T ...
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Introduction It was own in the course of Chapters XII , XIII , and XIV that in order to apply the spectral theory of Hermitian operators to ordinary and partial differential operators it is first necessary to extend the spectral theory ...
Introduction It was own in the course of Chapters XII , XIII , and XIV that in order to apply the spectral theory of Hermitian operators to ordinary and partial differential operators it is first necessary to extend the spectral theory ...
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Contents
SPECTRAL OPERATORS | 1924 |
Introduction | 1927 |
Terminology and Preliminary Notions | 1929 |
Copyright | |
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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 defined Definition denote dense determined differential operator domain elements equation equivalent established exists extension finite follows formal formula 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