Journal of Mathematical Inequalities · Volume 18, Issue 3 Inequalities for power series of product of operators in Hilbert spaces with applications to numerical radius 18-56 Pages 1007-1028 DOI 10.7153/jmi-2024-18-56 Downloads Short PDF Full PDF PNG Authors Sever Silvestru Dragomir Mubariz T. Garayev Keywords bounded operators numerical radius power series Kato inequality Subject classes 47A63 26D15 46C05