An Operator Theoretic Interpretation of the Generalized Titchmarsh-Weyl Coefficient for a Singular Sturm-Liouville Problem
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- Kurasov, P. & Luger, A. Math Phys Anal Geom (2011) 14: 115. doi:10.1007/s11040-011-9090-6
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In this article an operator theoretic interpretation of the generalized Titchmarsh-Weyl coefficient for the Hydrogen atom differential expression is given. As a consequence we obtain a new expansion theorem in terms of singular generalized eigenfunctions.