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A STRUCTURED INVERSE SPECTRUM PROBLEM FOR INFINITE GRAPHS AND UNBOUNDED OPERATORS

Published online by Cambridge University Press:  15 August 2018

EHSSAN KHANMOHAMMADI*
Affiliation:
Lancaster, PA 17603, USA email [email protected]
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Abstract

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Let $G$ be an infinite graph on countably many vertices and let $\unicode[STIX]{x1D6EC}$ be a closed, infinite set of real numbers. We establish the existence of an unbounded self-adjoint operator whose graph is $G$ and whose spectrum is $\unicode[STIX]{x1D6EC}$.

Type
Research Article
Copyright
© 2018 Australian Mathematical Publishing Association Inc. 

References

Hall, B. C., Quantum Theory for Mathematicians, Graduate Texts in Mathematics, 267 (Springer, New York, 2013).Google Scholar
Hassani Monfared, K. and Khanmohammadi, E., ‘A structured inverse spectrum problem for infinite graphs’, Linear Algebra Appl. 539 (2018), 2843.Google Scholar
Kato, T., Perturbation Theory for Linear Operators (Springer, New York, 1995).Google Scholar
Mohar, B., ‘The spectrum of an infinite graph’, Linear Algebra Appl. 48 (1982), 245256.Google Scholar
Schmüdgen, K., Unbounded Self-adjoint Operators on Hilbert Space, Graduate Texts in Mathematics, 265 (Springer, Dordrecht, 2012).Google Scholar