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Completeness properties of perturbed sequences

✍ Scribed by Stefan A Burr; Paul Erdős

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
537 KB
Volume
13
Category
Article
ISSN
0022-314X

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## Abstract In this paper we show with scattering theoretical methods the absence of the singular continuous spectrum for operators that are perturbations of functions of the Laplacian. We extend the semigroup criteria developed in [9] and apply the result to the case of the fractional Laplacian (−