Preprint
Article

This version is not peer-reviewed.

Octonionic Kittaneh Numerical Radius Inequalities

Submitted:

01 October 2026

Posted:

05 October 2026

You are already at the latest version

Abstract
We show that for certain classes of matrices over octonions, a weak version of breakthrough numerical radius inequalities obtained by Kittaneh [Stud. Math., 2005] hold.
Keywords: 
;  
Copyright: This open access article is published under a Creative Commons CC BY 4.0 license, which permit the free download, distribution, and reuse, provided that the author and preprint are cited in any reuse.