Linear Operators, Part 2 |
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Page 1792
... Amer . Math . Soc . 9 , 373-395 ( 1908 ) . Existence and oscillation theorems for a certain boundary value problem . Trans . Amer . Math . Soc . 10 , 259-270 ( 1909 ) . Quantum mechanics and asymptotic series . Bull . Amer . Math . Soc ...
... Amer . Math . Soc . 9 , 373-395 ( 1908 ) . Existence and oscillation theorems for a certain boundary value problem . Trans . Amer . Math . Soc . 10 , 259-270 ( 1909 ) . Quantum mechanics and asymptotic series . Bull . Amer . Math . Soc ...
Page 1816
... Amer . Math . Soc . 39 , 397-400 ( 1933 ) . Harazov , D. F. 1 . 2 . 3 . On a class of linear equations in Hilbert ... Amer . J. Math . 69 , 193–199 ( 1947 ) . On the essential spectra of symmetric operators in Hilbert space . Amer . J ...
... Amer . Math . Soc . 39 , 397-400 ( 1933 ) . Harazov , D. F. 1 . 2 . 3 . On a class of linear equations in Hilbert ... Amer . J. Math . 69 , 193–199 ( 1947 ) . On the essential spectra of symmetric operators in Hilbert space . Amer . J ...
Page 1844
... Amer . Math . Soc . 52 , 167-174 ( 1946 ) . A second note on weak differentiability of Pettis integrals . Bull . Amer . Math . Soc . 52 , 668-670 ( 1946 ) . Müntz , Ch . H. 1 . Über den Approximationssatz von Weierstrass . Math ...
... Amer . Math . Soc . 52 , 167-174 ( 1946 ) . A second note on weak differentiability of Pettis integrals . Bull . Amer . Math . Soc . 52 , 668-670 ( 1946 ) . Müntz , Ch . H. 1 . Über den Approximationssatz von Weierstrass . Math ...
Contents
BAlgebras | 859 |
Commutative BAlgebras | 868 |
Commutative BAlgebras | 874 |
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adjoint extension adjoint operator algebra analytic B-algebra Borel set boundary conditions boundary values bounded operator C₁ closed closure coefficients compact operator complex numbers continuous function converges Corollary deficiency indices Definition denote dense domain eigenvalues element equation essential spectrum Exercise exists finite dimensional follows from Lemma follows from Theorem follows immediately formal differential operator formally self adjoint formula Fourier function defined function f Hence Hilbert space Hilbert-Schmidt operator identity inequality integral interval isometric isomorphism kernel L₁ L₁(R L₂(I L₂(R Lemma Let f linearly independent mapping matrix measure neighborhood non-zero norm open set operators in Hilbert orthogonal orthonormal basis Plancherel's theorem positive preceding lemma prove real axis real numbers satisfies sequence solution spectral spectral theorem square-integrable subspace Suppose T₁ T₂ theory To(t topology tr(T transform unique unitary vanishes vector zero