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On conditions that the spectra of certain operators be discrete
M. A. Shubin M. V. Lomonosov Moscow State University
Abstract:
Certain necessary and sufficient conditions for the discreteness of the spectrum of an operator are obtained in terms of its symbol and also in terms of its Wick and anti-Wick symbol.
Received: 07.01.1971
Citation:
M. A. Shubin, “On conditions that the spectra of certain operators be discrete”, Mat. Zametki, 11:3 (1972), 233–240; Math. Notes, 11:3 (1972), 147–151
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https://www.mathnet.ru/eng/mzm9784 https://www.mathnet.ru/eng/mzm/v11/i3/p233
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Abstract page: | 149 | Full-text PDF : | 74 | First page: | 1 |
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