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 2068
The operator algebra A , contains all inverses . There are a number of immediate
corollaries to this theorem of Wiener which will become apparent from the
following lemma . 6 LEMMA . Let I be an ideal in the subalgebra A . of A and let A
( I ) ...
The operator algebra A , contains all inverses . There are a number of immediate
corollaries to this theorem of Wiener which will become apparent from the
following lemma . 6 LEMMA . Let I be an ideal in the subalgebra A . of A and let A
( I ) ...
Page 2069
Let A . be a subalgebra of A which contains all inverses . Then Al contains all
inverses . Proof . If the operator A in af has an inverse in B ( HP ) then , by
Corollary 9 . 6 , A - 1 is in AP and the determinant S = det ( a , j ) has an inverse in
A . Since ...
Let A . be a subalgebra of A which contains all inverses . Then Al contains all
inverses . Proof . If the operator A in af has an inverse in B ( HP ) then , by
Corollary 9 . 6 , A - 1 is in AP and the determinant S = det ( a , j ) has an inverse in
A . Since ...
Page 2286
Spectral Theory : Self Adjoint Operators in Hilbert Space Nelson Dunford, Jacob
Theodore Schwartz. resolution of the identity E ( • ) of Q and suppose that B
contains no projection of infinite uniform multiplicity . If A is the closed densely
defined ...
Spectral Theory : Self Adjoint Operators in Hilbert Space Nelson Dunford, Jacob
Theodore Schwartz. resolution of the identity E ( • ) of Q and suppose that B
contains no projection of infinite uniform multiplicity . If A is the closed densely
defined ...
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Contents
SPECTRAL OPERATORS | 1924 |
Introduction | 1927 |
Terminology and Preliminary Notions | 1929 |
Copyright | |
28 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 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 |