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Wave operators for non-self-adjoint operators and the functional model

โœ Scribed by S. N. Naboko


Publisher
Springer US
Year
1978
Tongue
English
Weight
367 KB
Volume
10
Category
Article
ISSN
1573-8795

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Invertibility and Spectrum Localization
โœ M.I Gil' ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 133 KB

This paper deals with Volterra perturbations of normal operators in a separable Hilbert space. Invertibility conditions and estimates for the norm of the inverse operators are established. In addition, bounds for the spectrum are suggested. Applications to integral, integro-differential, and matrix