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math.SP2016★ 1 cited
On eigenvalue bounds for a general class of Sturm-Liouville operators
Christian Seifert
We consider Sturm-Liouville operators with measure-valued weight and potential, and positive, bounded diffusion coefficient which is bounded away from zero. By means of a local per…
math.SP2014★ 1 cited
A quantitative version of Gordon's Theorem for Jacobi and Sturm-Liouville operators
Christian Seifert
We prove a quantitative version of Gordon's Theorem concerning absence of eigenvalues for Jacobi matrices and Sturm-Liouville operators with complex coefficients.