Linear Operators: Spectral theory |
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Page 884
The study of ideal theory in B - algebra was inaugurated by Gelfand [ 1 ] to whom most of the results given in Section ... In their proof , they proved Lemma 3.5 by using a fairly deep result of Šilov that was not generally available .
The study of ideal theory in B - algebra was inaugurated by Gelfand [ 1 ] to whom most of the results given in Section ... In their proof , they proved Lemma 3.5 by using a fairly deep result of Šilov that was not generally available .
Page 1156
The results of Sections 3 and 4 carry over for the case of discrete groups and many of them , for example Theorem 3.16 ... 2 ] = 2 " where ne R ( so that n is a positive or negative integer ) and le Ř . We now state a result which ...
The results of Sections 3 and 4 carry over for the case of discrete groups and many of them , for example Theorem 3.16 ... 2 ] = 2 " where ne R ( so that n is a positive or negative integer ) and le Ř . We now state a result which ...
Page 1433
In case the indicial equation has two roots which differ by an integer or has multiple roots , a corresponding result may be stated ; but here the basis for solutions of [ * ] may have a more complex form , involving logarithmic terms .
In case the indicial equation has two roots which differ by an integer or has multiple roots , a corresponding result may be stated ; but here the basis for solutions of [ * ] may have a more complex form , involving logarithmic terms .
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Contents
BAlgebras | 859 |
Commutative BAlgebras | 868 |
Commutative BAlgebras | 874 |
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additive Akad algebra Amer analytic assume Banach spaces basis belongs Borel boundary conditions boundary values bounded called clear closed closure coefficients compact complex Consequently constant contains continuous converges Corollary corresponding defined Definition denote dense determined domain eigenvalues element equal equation essential spectrum evident Exercise exists extension finite follows formal differential operator formula function function f given Hence Hilbert space identity independent indices inequality integral interval Lemma limit linear mapping Math matrix measure multiplicity neighborhood norm obtained partial positive preceding present problem projection proof properties prove range regular remark representation respectively restriction result satisfies seen sequence shown singular solution spectral square-integrable statement subset subspace sufficiently Suppose symmetric Theorem theory topology transform unique vanishes vector zero