Operators and Matrices · Volume 16, Issue 1 Refining and reversing Jensen's inequality 16-03 Pages 19-27 DOI 10.7153/oam-2022-16-03 Downloads Short PDF Full PDF PNG Authors Leila Nasiri Akram Zardadi Hamid Reza Moradi Keywords Jensen's inequality Jensen-Mercer's inequality self-adjoint operator convex function operator convex Subject classes 47A63 46L05 47A60 26D15