English

Direct and inverse spectral problems for rank-one perturbations of self-adjoint operators

Spectral Theory 2020-07-20 v1

Abstract

For a given self-adjoint operator AA with discrete spectrum, we completely characterize possible eigenvalues of its rank-one perturbations~BB and discuss the inverse problem of reconstructing BB from its spectrum.

Keywords

Cite

@article{arxiv.2007.08841,
  title  = {Direct and inverse spectral problems for rank-one perturbations of self-adjoint operators},
  author = {Oles Dobosevych and Rostyslav Hryniv},
  journal= {arXiv preprint arXiv:2007.08841},
  year   = {2020}
}

Comments

19 pages