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 2299
Hence we find that for n sufficiently large , each r in Cn is in p ( T + P ) and that R ( ; T + P ) = B ( u ) . Since Blue ) is clearly the product of the compact operator R ( u ; T ) and a bounded operator , it follows that T + P is a ...
Hence we find that for n sufficiently large , each r in Cn is in p ( T + P ) and that R ( ; T + P ) = B ( u ) . Since Blue ) is clearly the product of the compact operator R ( u ; T ) and a bounded operator , it follows that T + P is a ...
Page 2349
Hence , for m sufficiently large , min Irem - Mxel 2 max ( lum - Mm - 11 , IMm - Mm + 1 ) . kom Since , by ( * ) , Ιμη - μη +1 | 2πη ( 2πm ) : -1 , Mm 1 ] ( ) " 1 , it is clear that mink # m I Min - Mal is bounded below by a function of ...
Hence , for m sufficiently large , min Irem - Mxel 2 max ( lum - Mm - 11 , IMm - Mm + 1 ) . kom Since , by ( * ) , Ιμη - μη +1 | 2πη ( 2πm ) : -1 , Mm 1 ] ( ) " 1 , it is clear that mink # m I Min - Mal is bounded below by a function of ...
Page 2360
i V 1 It will be shown below that | T'R ( ; T ) AS 1 for u in V , and i sufficiently M large . From this it will then follow as above that the function f ( u ) R ( u ; T + P ) f is uniformly bounded . It will also be shown that T- " is ...
i V 1 It will be shown below that | T'R ( ; T ) AS 1 for u in V , and i sufficiently M large . From this it will then follow as above that the function f ( u ) R ( u ; T + P ) f is uniformly bounded . It will also be shown that T- " is ...
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Contents
SPECTRAL OPERATORS | 1924 |
Introduction | 1927 |
Terminology and Preliminary Notions | 1929 |
Copyright | |
47 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 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
Bibliographic information
| Title | 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 Pure and applied mathematics, v. 7 |
| Authors | Nelson Dunford, Jacob T. Schwartz, William G. Bade, Robert G. Bartle |
| Editors | L. Bers, J. J. Stoker |
| Publisher | Wiley-Interscience, 1957 |
| Original from | the University of Michigan |
| Digitized | 2 Feb 2010 |
| ISBN | 0471226394, 9780471226390 |
| Length | 667 pages |
| Export Citation | BiBTeX EndNote RefMan |