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Frequency properties of a differentiation operator and their use in analyzing spectral curves

✍ Scribed by D. K. Buslov; L. A. Meleshchenko; R. G. Zhbankov


Publisher
Springer US
Year
1987
Tongue
English
Weight
314 KB
Volume
47
Category
Article
ISSN
0021-9037

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Oscillation and spectral properties of the one-term differential operator of the form are investigated. It is shown that certain recently established necessary conditions for discreteness a boundedness below of the spectrum of 1 are also sufficient for this property. Some related problems are also i