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Stability of deficiency indices

Published online by Cambridge University Press:  14 February 2012

Horst Behncke  and
Heinz Focke
Horst Behncke
Affiliation:
Fachbereich 5/Mathematik, University of Osnabrück
Heinz Focke
Affiliation:
Fachbereich 5/Mathematik, University of Osnabrück
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Synopsis

Many known results about the stability of selfadjointness are extended to results about the stability of the deficiency index of closed symmetric operators on Hilbert space under perturbation.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh Section A: Mathematics , Volume 78 , Issue 1-2 , 1977 , pp. 119 - 127
Copyright
Copyright © Royal Society of Edinburgh 1977

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