Keywords = numerical range
Number of Articles: 3
1. Anderson's theorem for some class of operators

Volume 6, Issue 2, Summer and Autumn 2020, Pages 236-242

Mehdi Naimi; Mohammed Benharrat


2. On the Norm of Jordan $*$-Derivations

Volume 6, Issue 1, Winter and Spring 2020, Pages 104-107

Abolfazl Niazi Motlagh


3. Power Inequalities for the Numerical Radius of Operators in Hilbert Spaces

Volume 5, Issue 2, Summer and Autumn 2019, Pages 15-29

Mohammad H.M. Rashid