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Spectrum of a linear operator in a family of banach spaces containing Hilbert space

✍ Scribed by V. V. Shevchik

Publisher
SP MAIK Nauka/Interperiodica
Year
1977
Tongue
English
Weight
202 KB
Volume
22
Category
Article
ISSN
0001-4346

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πŸ“œ SIMILAR VOLUMES

On the Essential Spectrum of a Class of
On the Essential Spectrum of a Class of Operators in Hilbert Space
✍ Manfred MΓΆller πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 513 KB

Abrtract. Sufficient conditions are given such that the product T1T2 of two unbounded operators in Hilbert spaces is essentially selfadjoint and that the nonzero numbers in the essential spectrum of the closure of TlT2 coincide with the nonzero numbers in the essential spectrum of T2T1. If the essen