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On Explicit Estimations for the Bloch Eigenvalues of the One-dimensional Schr\"odinger Operator and the Kronig-Penney Model
In this paper, we consider the small and large eigenvalues of the one-dimensional Schr\"odinger operator L(q) with a periodic, real and locally integrable potential q. First we explicitly write out the first and second terms of the asymptotic formulas for the large periodic and antiperiodic eigenvalues and illustrate these formulas …