Linear Operators, Part 2Interscience Publishers, 1963 - Algebra, Universal |
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Page 893
... bounded E - measurable functions on S into the B * -algebra of bounded operators on Hilbert space . Returning now to the general integral Sf ( s ) E ( ds ) where E is merely a bounded additive operator valued set function , we observe ...
... bounded E - measurable functions on S into the B * -algebra of bounded operators on Hilbert space . Returning now to the general integral Sf ( s ) E ( ds ) where E is merely a bounded additive operator valued set function , we observe ...
Page 900
... bounded 2 - measurable scalar functions on S in such a way that each equivalence class consists of all E - measurable functions which differ from some bounded 2 - measurable function only on a set of E measure zero . That is , EB ( S ...
... bounded 2 - measurable scalar functions on S in such a way that each equivalence class consists of all E - measurable functions which differ from some bounded 2 - measurable function only on a set of E measure zero . That is , EB ( S ...
Page 1240
... bounded above ( bounded below ) if there is a real number c such that ( Tx , x ) ≤c ( x , x ) ( ( Tx , x ) ≥ c ( x , x ) ) for all x in D ( T ) . If T is bounded above or below we say that T is semi - bounded . The number c is called ...
... bounded above ( bounded below ) if there is a real number c such that ( Tx , x ) ≤c ( x , x ) ( ( Tx , x ) ≥ c ( x , x ) ) for all x in D ( T ) . If T is bounded above or below we say that T is semi - bounded . The number c is called ...
Contents
IX | 859 |
Bounded Normal Operators in Hilbert Space | 887 |
Miscellaneous Applications | 937 |
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adjoint extension adjoint operator algebra analytic B-algebra B*-algebra Borel set boundary conditions boundary values bounded operator C₁ closed closure Co(I coefficients compact subset complex numbers continuous function converges Corollary deficiency indices Definition denote dense domain eigenvalues element essential spectrum exists finite dimensional follows from Lemma follows from Theorem follows immediately formal differential operator formally self adjoint formula Fourier function defined function f Haar measure Hence Hilbert space Hilbert-Schmidt operator identity inequality integral interval isometric isomorphism kernel L₁(R L₂(I L₂(R Lemma Let f linear linearly independent mapping matrix measure neighborhood norm open set open subset orthonormal partial differential operator Plancherel's theorem positive PROOF prove real axis real numbers satisfies Section sequence solution spectral spectral theory square-integrable subspace Suppose T₁ T₁(t theory To(t topology unique unitary vanishes vector zero