Journal of Mathematical Inequalities · Volume 17, Issue 2 On approximately convex and affine functions 17-31 Pages 459-480 DOI 10.7153/jmi-2023-17-31 Downloads Short PDF Full PDF PNG Authors Angshuman R. Goswami Zsolt Páles Keywords Φ-monotone function Φ-Hölder function Φ-monotone envelope Φ-Hölder envelope Ostrowski-type inequality Hermite-Hadamard-type inequality Subject classes 26A48 26A12 26A16 26A45 39B72 39C05