Hölder means, Lehmer means, and \(x^{-1} \log \cosh x\)
type: Item
instance of: scholarly article
title: Hölder means, Lehmer means, and \(x^{-1} \log \cosh x\)
zbMATH Open document ID: 0859.26007
author: Kenneth B. Stolarsky
published in: Journal of Mathematical Analysis and Applications
publication date: 1997-04-06T00:00:00Z
review text: The author offers proofs, generalizations and interesting applications of the chain of inequalities which places \(\log\text{cosh }x\) between \(x\text{ tanh}(x/2)\) and \(0\).
Mathematics Subject Classification ID: 26D15
Mathematics Subject Classification ID: 26A09
Mathematics Subject Classification ID: 26A51
Mathematics Subject Classification ID: 33B10
zbMATH DE Number: 934212
zbMATH Keywords: power means
zbMATH Keywords: Goldziher-Beckenbach means
zbMATH Keywords: hyperbolic functions
zbMATH Keywords: concave functions
zbMATH Keywords: inequalities
reviewed by: János Aczél
MaRDI profile type: Publication
full work available at URL: jmaa.1996.0349
OpenAlex ID: W181779522
DOI: 10.1006/JMAA.1996.0349
description: scientific article; zbMATH DE number 934212