Abstract

A special class of almost-periodic potentials of the one-dimensional Schr?dinger operator is studied. These potentials are limits of finite-zone potentials. In contrast to previous work of the author in which a class of almost-periodic potentials was considered with lacunae in the spectrum having a single limit point at infinity, in this paper the case is studied where the lacunae in the spectrum also have finite limit points. There may be infinitely many of the latter.Figures: 2. Bibliography: 10 titles.

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