The Existence of Eigenvalues Embedded in the Continuous Spectrum of Ordinary Differential Operators.
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WISCONSIN UNIV MADISON MATHEMATICS RESEARCH CENTER
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In answer to two questions raised by W.N. Everitt, we show that, given p greater than 1 and any countably infinite set of points on the positive lambda-axis, there is a qx in L superscript0, infinity for which the set of points constitutes the point-continuous spectrum associated with the equation yx lambda - qxyx 0 0 less than or equal to x less than infinity and some homogeneous boundary condition at x 0. Author
- Theoretical Mathematics