On the eigenvalues of a perturbed almost periodic operator that are immersed in the continuous spectrum

DOI10.1070/RM1988V043N04ABEH001908zbMath0689.47002MaRDI QIDQ3031487

Leonid A. Malozemov

Publication date: 1988

Published in: Russian Mathematical Surveys (Search for Journal in Brave)

zbMATH Keywords

eigenvalues of a perturbed almost periodic operator that are immersed in the continuous spectrum

Mathematics Subject Classification ID

Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Spectrum, resolvent (47A10) General theory of ordinary differential operators (47E05)

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