An observation on unbounded linear operators with an arbitrary spectrum
Functional Analysis
2021-07-26 v2 Spectral Theory
Abstract
We furnish a simple way of constructing an unbounded closed linear operator in a complex Banach space, whose spectrum is an arbitrary nonempty closed, in particular compact, subset of the complex plane.
Cite
@article{arxiv.2107.09638,
title = {An observation on unbounded linear operators with an arbitrary spectrum},
author = {Marat V. Markin},
journal= {arXiv preprint arXiv:2107.09638},
year = {2021}
}
Comments
Minor readability improvements, fixed typos