| Autor: |
Muminov, M. I., Bozorov, I. N., Rasulov, T. Kh. |
| Zdroj: |
Russian Mathematics; Feb2024, Vol. 68 Issue 2, p75-79, 5p |
| Abstrakt: |
In this paper, a block operator matrix is considered as a bounded and self-adjoint operator in a Hilbert space. The location of the essential spectrum of operator matrix is described via the spectrum of the generalized Friedrichs model, i.e., the two- and three-particle branches of the essential spectrum are singled out. We prove that the essential spectrum consists of no more than six segments (components). [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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