Article
Kyungpook Mathematical Journal 2021; 61(3): 583-590
Published online September 30, 2021
Copyright © Kyungpook Mathematical Journal.
New Bounds for the Numerical Radius of a Matrix in Terms of Its Entries
Abdelkader Frakis
Department of Mathematics, Mustapha Stambouli University, Mascara, Algeria
e-mail : aekfrakis@yahoo.fr
Received: March 18, 2020; Revised: January 15, 2021; Accepted: February 8, 2021