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Article type: Research Article
Authors: Pivovarchik, Vyacheslav | Woracek, Harald
Affiliations: Department of Applied Mathematics and Informatics, South-Ukrainian State Pedagogical University, Staroportofrankovskaya str. 26, UA-65020 Odessa, Ukraine. E-mail: v.pivovarchik@paco.net, vnp@dtp.odessa.ua | Institute for Analysis and Scientific Computing, Vienna University of Technology, Wiedner Hauptstr. 8–10/101, A-1040 Vienna, Austria. E-mail: harald.woracek@tuwien.ac.at
Abstract: We consider a boundary value problem generated by Sturm–Liouville equations on the edges of a star-shaped graph. Thereby a continuity condition and a condition depending on the spectral parameter is imposed at the interior vertex, corresponding to the case of damping in the problem of small transversal vibrations of a star graph of smooth inhomogeneous strings. At the pendant vertices Dirichlet boundary conditions are imposed. We describe the eigenvalue asymptotics of the problem under consideration.
Keywords: eigenvalue asymptotics, Sturm–Liouville theory, star-graph, Kirchhoff condition
DOI: 10.3233/ASY-2011-1040
Journal: Asymptotic Analysis, vol. 73, no. 3, pp. 169-185, 2011
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