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 1917
This purely formal argument inspires us to study the limit appearing above , and indeed it develops that if the difference T ' – T satisfies suitable hypotheses , this limit will exist in the strong topology and will have the properties ...
This purely formal argument inspires us to study the limit appearing above , and indeed it develops that if the difference T ' – T satisfies suitable hypotheses , this limit will exist in the strong topology and will have the properties ...
Page 2219
Strong Limits of Spectral Operators : Non - Commutative Case In this section conditions will be given to insure that the strong limit T = lim , Tą of a generalized sequence { Ta } of scalar type spectral operators is itself a scalar ...
Strong Limits of Spectral Operators : Non - Commutative Case In this section conditions will be given to insure that the strong limit T = lim , Tą of a generalized sequence { Ta } of scalar type spectral operators is itself a scalar ...
Page 2393
Moreu a . over , since A + ( a ) # 0 , A- ( a ) +0,0 $ 100 , Z has no limit points on the real axis . Consequently , Z is a finite set . Now let do € 2 and let vo be the order of , as a pole of the resolvent . By Theorems VII.3.18 and ...
Moreu a . over , since A + ( a ) # 0 , A- ( a ) +0,0 $ 100 , Z has no limit points on the real axis . Consequently , Z is a finite set . Now let do € 2 and let vo be the order of , as a pole of the resolvent . By Theorems VII.3.18 and ...
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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