Some Sharp bounds for the generalized Davis-Wielandt radius
Functional Analysis
2026-03-05 v2 Operator Algebras
Abstract
This paper presents a study of the generalized Davis-Wielandt radius of Hilbert space operators. New lower bounds for the generalized Davis-Wielandt radius and numerical radius are provided. An alternative of the triangular inequality for operators is also derived.
Keywords
Cite
@article{arxiv.2410.19679,
title = {Some Sharp bounds for the generalized Davis-Wielandt radius},
author = {Mehdi Naimi and Mohammed Benharrat and Faouzi Hireche},
journal= {arXiv preprint arXiv:2410.19679},
year = {2026}
}