A One-Dimensional Schrödinger Operator with Square-Integrable Potential


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Abstract

We study the spectral properties of a one-dimensional Schrödinger operator with squareintegrable potential whose domain is defined by the Dirichlet boundary conditions. The main results are concerned with the asymptotics of the eigenvalues, the asymptotic behavior of the operator semigroup generated by the negative of the differential operator under consideration. Moreover, we derive deviation estimates for the spectral projections and estimates for the equiconvergence of the spectral decompositions. Our asymptotic formulas for eigenvalues refine the well-known ones.

About the authors

D. M. Polyakov

Southern Mathematical Institute; Institute of Mathematics

Author for correspondence.
Email: DmitryPolyakow@mail.ru
Russian Federation, Vladikavkaz; Ufa

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