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This article is cited in 9 scientific papers (total in 9 papers)
On infinity of the discrete spectrum of operators in the Friedrichs model
Yu. Kh. Eshkabilov National University of Uzbekistan, Tashkent, Uzbekistan
Abstract:
The discrete spectrumof selfadjoint operators in the Friedrichs model is studied. Necessary and sufficient conditions of existence of infinitely many eigenvalues in the Friedrichs model are presented. A discrete spectrum of a model three-particle discrete Schrödinger operator is described.
Key words:
Friedrichs model, spectrum, essential spectrum, discrete spectrum.
Received: 30.10.2009
Citation:
Yu. Kh. Eshkabilov, “On infinity of the discrete spectrum of operators in the Friedrichs model”, Mat. Tr., 14:1 (2011), 195–211; Siberian Adv. Math., 22:1 (2012), 1–12
Linking options:
https://www.mathnet.ru/eng/mt212 https://www.mathnet.ru/eng/mt/v14/i1/p195
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Abstract page: | 552 | Full-text PDF : | 129 | References: | 78 | First page: | 10 |
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