


Paper's Title:
Numerical Radius Isometries between Hermitian Banach Algebras
Author(s):
Mohamed Mabrouk and Ashwaq Albideewi
Department of Mathematics,
Faculty of Sciences Cite Erriadh,
University of Gabes,
6072 Zrig, Gabes,
Tunisia.
Email: mohamed.mabrouk@fsg.rnu.tn
Department of Mathematics,
College of Applied Sciences,
Umm AlQura University,
P. O. Box 715,
Makkah 21955,
Saudi Arabia.
Email: Ashwaq.F.B@hotmail.com
Abstract:
In the case of C*algebras, the author in [2] showed that any linear unital and surjective numerical radius isometry is a Jordan *isomorphism. In this paper, we generalize this result to the case of Hermitian Banach algebras.
Search and serve lasted 1 second(s).