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An Operator Theoretic Interpretation of the Generalized Titchmarsh-Weyl Coefficient for a Singular Sturm-Liouville Problem
Stockholm University, Faculty of Science, Department of Mathematics.
Stockholm University, Faculty of Science, Department of Mathematics.
2011 (English)In: Mathematical physics, analysis and geometry, ISSN 1385-0172, E-ISSN 1572-9656, Vol. 14, no 2, 115-151 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2011. Vol. 14, no 2, 115-151 p.
Keyword [en]
Titchmarsh-Weyl coefficient, Singular differential operator, Generalized Nevanlinna function, Supersingular perturbation
National Category
Mathematics
Identifiers
URN: urn:nbn:se:su:diva-68103DOI: 10.1007/s11040-011-9090-6ISI: 000290579900002OAI: oai:DiVA.org:su-68103DiVA: diva2:472632
Note
authorCount :2Available from: 2012-01-04 Created: 2012-01-03 Last updated: 2017-12-08Bibliographically approved

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