Necessary and sufficient conditions for the validity of Jensen's inequality
The authors established some improvements for several known results relative to the \(n\)-dimensional Jensen's inequality [\textit{J. E. McShane}, Bull. Am. Math. Soc. 43, 521--527 (1937; Zbl 0017.16003; JFM 63.0160.01)].
scientific article; zbMATH DE number 6189585