Example of quasianalytic contraction whose spectrum is a proper subarc of the unit circle
Functional Analysis
2022-12-06 v1
Abstract
A partial answer on [KS2, Question 2] is given. Namely, an operator similar to a quasianalytic contraction whose quasianalytic spectral set is equal to its spectrum and is a proper subarc of the unit circle is constructed, but no estimates of is given.
Cite
@article{arxiv.2005.04031,
title = {Example of quasianalytic contraction whose spectrum is a proper subarc of the unit circle},
author = {Maria F. Gamal'},
journal= {arXiv preprint arXiv:2005.04031},
year = {2022}
}