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A fourth order limit-3 expression with nonempty essential spectrum

Published online by Cambridge University Press:  14 November 2011

Bernd Schultze
Bernd Schultze
Affiliation:
Fachbereich 6, Mathematik, Universität GH Essen, Universitätsstr 3, 4300 Essen, F.R.G.
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Synopsis

It is shown that even in the fourth order case there exist real symmetric ordinary differential expressions with nonempty essential spectrum which are not in the limit-point case.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh Section A: Mathematics , Volume 106 , Issue 3-4 , 1987 , pp. 233 - 235
Copyright
Copyright © Royal Society of Edinburgh 1987

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References

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