On the common Point Spectrum of pairs of Self-Adjoint Extensions

Abstract

Given two different self-adjoint extensions of the same symmetric operator, we analyse the intersection of their point spectra. Some simple examples are provided.

arXiv commentTwo references added. To appear in Methods of Functional Analysis and Topology, special issue dedicated to Vladimir Koshmanenko on the occasion of his 70th birthday

References in corpus (2)

• Spectra of self-adjoint extensions and applications to solvable Schroedinger operators
• Boundary triples and Weyl functions for singular perturbations of self-adjoint operators

Cited by in corpus (1)

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