More about jensen's inequality and cauchy's means for superquadratic functions

S. Abramovich, G. Farid, J. Pečarić

Research output: Contribution to journalArticlepeer-review

Abstract

One of the many inequalities that superquadratic functions satisfy is the parallelogram inequality f (u+v)+ f (u-v) ≥ 2 f (u)+2 f (v). In this paper, we present Cauchy means for superquadratic functions and other mean value theorems. We show also positive semi-definiteness, log-convexity, exponential convexity of certain set of functions.

Original languageEnglish
Pages (from-to)11-14
Number of pages4
JournalJournal of Mathematical Inequalities
Volume7
Issue number1
DOIs
StatePublished - Mar 2013

Keywords

  • Jensen's inequality
  • Linear functional
  • Log-convex function
  • Mean value theorems
  • Superquadracity

ASJC Scopus subject areas

  • Analysis

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