Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic Means

We present the best possible lower and upper bounds for the Neuman-Sándor mean in terms of the convex combinations of either the harmonic and quadratic means or the geometric and quadratic means or the harmonic and contraharmonic means.

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Main Authors: Tie-Hong Zhao, Yu-Ming Chu, Bao-Yu Liu
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2012/302635
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author Tie-Hong Zhao
Yu-Ming Chu
Bao-Yu Liu
author_facet Tie-Hong Zhao
Yu-Ming Chu
Bao-Yu Liu
author_sort Tie-Hong Zhao
collection DOAJ
description We present the best possible lower and upper bounds for the Neuman-Sándor mean in terms of the convex combinations of either the harmonic and quadratic means or the geometric and quadratic means or the harmonic and contraharmonic means.
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institution Kabale University
issn 1085-3375
1687-0409
language English
publishDate 2012-01-01
publisher Wiley
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series Abstract and Applied Analysis
spelling doaj-art-6b6af5b926bd412d89521b866813e9662025-02-03T05:58:11ZengWileyAbstract and Applied Analysis1085-33751687-04092012-01-01201210.1155/2012/302635302635Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic MeansTie-Hong Zhao0Yu-Ming Chu1Bao-Yu Liu2Department of Mathematics, Hangzhou Normal University, Hangzhou 313036, ChinaSchool of Mathematics and Computation Sciences, Hunan City University, Yiyang 413000, ChinaSchool of Science, Hangzhou Dianzi University, Hangzhou 310018, ChinaWe present the best possible lower and upper bounds for the Neuman-Sándor mean in terms of the convex combinations of either the harmonic and quadratic means or the geometric and quadratic means or the harmonic and contraharmonic means.http://dx.doi.org/10.1155/2012/302635
spellingShingle Tie-Hong Zhao
Yu-Ming Chu
Bao-Yu Liu
Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic Means
Abstract and Applied Analysis
title Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic Means
title_full Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic Means
title_fullStr Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic Means
title_full_unstemmed Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic Means
title_short Optimal Bounds for Neuman-Sándor Mean in Terms of the Convex Combinations of Harmonic, Geometric, Quadratic, and Contraharmonic Means
title_sort optimal bounds for neuman sandor mean in terms of the convex combinations of harmonic geometric quadratic and contraharmonic means
url http://dx.doi.org/10.1155/2012/302635
work_keys_str_mv AT tiehongzhao optimalboundsforneumansandormeanintermsoftheconvexcombinationsofharmonicgeometricquadraticandcontraharmonicmeans
AT yumingchu optimalboundsforneumansandormeanintermsoftheconvexcombinationsofharmonicgeometricquadraticandcontraharmonicmeans
AT baoyuliu optimalboundsforneumansandormeanintermsoftheconvexcombinationsofharmonicgeometricquadraticandcontraharmonicmeans