Operators and Matrices · Volume 18, Issue 4 Multiple-term refinements for upper bound of the Hermite-Hadamard inequality and applications 18-52 Pages 855-879 DOI 10.7153/oam-2024-18-52 Downloads Short PDF Full PDF PNG Authors Tran Dinh Phung Nguyen Ngoc Hue Duong Quoc Huy Keywords Hermite-Hadamard's inequality convex function quadratic interpolation unitarily invariant norm operator inequality Subject classes 15A39 26A51 47A30 47A63