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Tensor Products and Singularly Continuous Spectrum
Published online by Cambridge University Press: 20 November 2018
Abstract
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An example of a bounded self adjoint operator A is constructed so that A⊗I + α(I⊗A) is purely singularly continuous but A⊗1 + β(I⊗A) is purely absolutely continuous, for some real α and β. In fact α - β can be chosen arbitrarily small.
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- Copyright © Canadian Mathematical Society 1984
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