Determination of Bounds for the Jensen Gap and Its Applications

Hidayat Ullah, Muhammad Adil Khan and Tareq Saeed
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Hidayat Ullah: Department of Mathematics, University of Peshawar, Peshawar 25000, Pakistan
Muhammad Adil Khan: Department of Mathematics, University of Peshawar, Peshawar 25000, Pakistan
Tareq Saeed: Nonlinear Analysis and Applied Mathematics (NAAM)-Research Group, Department of Mathematics, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia

Mathematics, 2021, vol. 9, issue 23, 1-29

Abstract: The Jensen inequality has been reported as one of the most consequential inequalities that has a lot of applications in diverse fields of science. For this reason, the Jensen inequality has become one of the most discussed developmental inequalities in the current literature on mathematical inequalities. The main intention of this article is to find some novel bounds for the Jensen difference while using some classes of twice differentiable convex functions. We obtain the proposed bounds by utilizing the power mean and Höilder inequalities, the notion of convexity and the prominent Jensen inequality for concave function. We deduce several inequalities for power and quasi-arithmetic means as a consequence of main results. Furthermore, we also establish different improvements for Hölder inequality with the help of obtained results. Moreover, we present some applications of the main results in information theory.

Keywords: convex function; Jensen’s inequality; means; Hölder inequality; information theory (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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