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General boundary eigenvalue problems for systems of differential equations with multiple roots of the characteristic equation

Published online by Cambridge University Press:  14 November 2011

Gerhard Freiling
Affiliation:
Fachbereich Mathematik, Universität-GH Duisburg, D-4100 Duisburg 1, West Germany

Synopsis

We consider a class of non-self adjoint multipoint eigenvalue problems. Using necessary conditions for the regularity of these problems, we obtain a theorem on the expansion of certain functions into a series of eigen- and associated functions.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1988

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