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Brief Communications
Close Turning Points and the Harper Operator
A. A. Fedotov Saint Petersburg State University
Keywords:
Harper operator, close turning points, complex WKB method, geometry of the spectrum.
Received: 17.01.2023
Published: 27.05.2023
Citation:
A. A. Fedotov, “Close Turning Points and the Harper Operator”, Mat. Zametki, 113:5 (2023), 785–790; Math. Notes, 113:5 (2023), 741–746
Linking options:
https://www.mathnet.ru/eng/mzm13932https://doi.org/10.4213/mzm13932 https://www.mathnet.ru/eng/mzm/v113/i5/p785
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