Refining the Superadditivity Inequality for Weighted Jensen and Mercer Functionals
Journal of convex analysis, Tome 31 (2024) no. 1, pp. 279-287
The Jensen and Mercer functionals viewed as functions of their weighted vectors are superadditive as showed by S. S. Dragomir, J. E. Pecaric and L. E. Persson [Properties of some functionals related to Jensen's inequality, Acta Math. Hung. 70/1-2 (1996) 129--143] and by M. Krnic, N. Lovricevic and J. Pecaric [On some properties of Jensen-Mercer's functional, J. Math. Inequalities 6/1 (2012) 125--139]. In the present paper we derive refinements of the corresponding superadditivity DPP/KLP inequalities. We establish Jensen and Mercer inequalities of second type. We introduce a preorder on the set of weighted vectors and show the monotonicity with respect to this preorder of a functional related to Jensen/Mercer inequality.
Classification :
26D15, 26A51, 52A41
Mots-clés : Convex function, Jensen inequality, Mercer inequality, superadditive function, preorder, DPP/KLP inequalities, positive homogeneous function, monotone functional
Mots-clés : Convex function, Jensen inequality, Mercer inequality, superadditive function, preorder, DPP/KLP inequalities, positive homogeneous function, monotone functional
@article{JCA_2024_31_1_JCA_2024_31_1_a16,
author = {M. Niezgoda},
title = {Refining the {Superadditivity} {Inequality} for {Weighted} {Jensen} and {Mercer} {Functionals}},
journal = {Journal of convex analysis},
pages = {279--287},
year = {2024},
volume = {31},
number = {1},
url = {http://geodesic.mathdoc.fr/item/JCA_2024_31_1_JCA_2024_31_1_a16/}
}
TY - JOUR AU - M. Niezgoda TI - Refining the Superadditivity Inequality for Weighted Jensen and Mercer Functionals JO - Journal of convex analysis PY - 2024 SP - 279 EP - 287 VL - 31 IS - 1 UR - http://geodesic.mathdoc.fr/item/JCA_2024_31_1_JCA_2024_31_1_a16/ ID - JCA_2024_31_1_JCA_2024_31_1_a16 ER -
M. Niezgoda. Refining the Superadditivity Inequality for Weighted Jensen and Mercer Functionals. Journal of convex analysis, Tome 31 (2024) no. 1, pp. 279-287. http://geodesic.mathdoc.fr/item/JCA_2024_31_1_JCA_2024_31_1_a16/