A note on Huijsmans-de Pagter problem in ordered Banach algebras
Functional Analysis
2018-03-30 v1
Abstract
We give an example of a positive element in some ordered Banach algebra such that its spectrum is equal to and it is not greater than or equal to the unit element of .
Cite
@article{arxiv.1803.10942,
title = {A note on Huijsmans-de Pagter problem in ordered Banach algebras},
author = {Roman Drnovšek},
journal= {arXiv preprint arXiv:1803.10942},
year = {2018}
}
Comments
3 pages