Editor's Preface Estimates for the Number of Negative Eigenvalues of the Schr6dinger Operator and Its Generalizations M.SH.BIRMAN AND M.Z.SOLOMYAK Discrete Spectrum in the Gaps of a Continuous One for Perturbations with Large Coupling Constant M.SH.BIRMAN Discrete Spectrum in the Gaps for Perturbations of the Magnetic Schrodingcr Operator M.SH.BIRMAN AND G.D.RAIKOV Boundedness Conditions and Spectrum Estimates for the Operators b(X)a(D) and Their Analogs M.SH.BIRMAN, G.E.KARADZHOV, AND M.Z.SOLOMYAK Reflection Operators and Their Applications to Asymptotic Investigations of Semiclassical Integral Equations A.M.BUDYLlN AND V.S.BUSLAEV Weyl Asymptotics for the Discrete Spectrum of the Perturbed Hill Operator A.V.SOBOLEV On Solutions of the Schrodinger Equation with Radiation Conditions at Infinity D.R.YAFAEV 編輯手記
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