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 2094
12 ) that if X is a weakly complete B - space , then any prespectral operator is
automatically spectral , and so has a unique resolution of the identity . Berkson
and Dowson [ 1 ] have considered prespectral operators in some detail and have
...
12 ) that if X is a weakly complete B - space , then any prespectral operator is
automatically spectral , and so has a unique resolution of the identity . Berkson
and Dowson [ 1 ] have considered prespectral operators in some detail and have
...
Page 2143
Let T be a bounded linear operator in the complex B - space X . Then there is a
unique spectral measure on the field S ( T ) with the properties E ( S ) x = x , de S
( T ) , g ( x ) Ş8 , de S ( T ) , ( 2 ) 58 ' . This spectral measure is bounded , is ...
Let T be a bounded linear operator in the complex B - space X . Then there is a
unique spectral measure on the field S ( T ) with the properties E ( S ) x = x , de S
( T ) , g ( x ) Ş8 , de S ( T ) , ( 2 ) 58 ' . This spectral measure is bounded , is ...
Page 2265
Let D be a dense ideal in B and m be a function on D to cardinals such that m ( 0
) = 0 and m ( Va E . ) = Vam ( Ed ) for each family { E } = D for which V . Ece D .
Then there is a unique multiplicity function on B which is an extension of m on D ...
Let D be a dense ideal in B and m be a function on D to cardinals such that m ( 0
) = 0 and m ( Va E . ) = Vam ( Ed ) for each family { E } = D for which V . Ece D .
Then there is a unique multiplicity function on B which is an extension of m on D ...
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Contents
SPECTRAL OPERATORS XV Spectral Operators | 1924 |
Introduction | 1925 |
Terminology and Preliminary Notions | 1928 |
Copyright | |
32 other sections not shown
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analytic apply arbitrary assumed B-space Banach space Boolean algebra Borel sets boundary conditions bounded bounded Borel bounded operator Chapter clear clearly closure commuting compact complex consider constant contained converges Corollary corresponding countably additive defined Definition denote dense determined differential operator domain elements equation equivalent established example exists extension fact finite follows formal formula given gives Hence Hilbert space hypothesis identity inequality integral invariant inverse Lemma limit linear linear operator manifold Math Moreover multiplicity norm positive preceding present problem projections PROOF properties prove range regular resolution resolvent respectively restriction Russian satisfies scalar type seen sequence shown shows spectral measure spectral operator spectrum statement strongly subset subspace sufficiently Suppose Theorem theory topology unbounded uniformly unique valued vector weakly zero