Sharp Power Mean Bounds for the Combination of Seiffert and Geometric Means

We answer the question: for α∈(0,1), what are the greatest value p and the least value q such that the double inequality Mp(a,b)<Pα(a,b)G1−α(a,b)<Mq(a,b) holds for all a,b>0 with a≠b. Here, Mp(a,b), P(a,b), and G(a,b) denote the power of order p, Seiffert, and geometric means of two positi...

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Main Authors: Yu-Ming Chu, Ye-Fang Qiu, Miao-Kun Wang
Format: Article
Language:English
Published: Wiley 2010-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2010/108920
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author Yu-Ming Chu
Ye-Fang Qiu
Miao-Kun Wang
author_facet Yu-Ming Chu
Ye-Fang Qiu
Miao-Kun Wang
author_sort Yu-Ming Chu
collection DOAJ
description We answer the question: for α∈(0,1), what are the greatest value p and the least value q such that the double inequality Mp(a,b)<Pα(a,b)G1−α(a,b)<Mq(a,b) holds for all a,b>0 with a≠b. Here, Mp(a,b), P(a,b), and G(a,b) denote the power of order p, Seiffert, and geometric means of two positive numbers a and b, respectively.
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institution Kabale University
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series Abstract and Applied Analysis
spelling doaj-art-e66d28d539054282a1b2e31a033dce0b2025-02-03T01:27:16ZengWileyAbstract and Applied Analysis1085-33751687-04092010-01-01201010.1155/2010/108920108920Sharp Power Mean Bounds for the Combination of Seiffert and Geometric MeansYu-Ming Chu0Ye-Fang Qiu1Miao-Kun Wang2Department of Mathematics, Huzhou Teachers College, Huzhou 313000, ChinaDepartment of Mathematics, Zhejiang Sci-Tech University, Hangzhou 310018, ChinaDepartment of Mathematics, Zhejiang Sci-Tech University, Hangzhou 310018, ChinaWe answer the question: for α∈(0,1), what are the greatest value p and the least value q such that the double inequality Mp(a,b)<Pα(a,b)G1−α(a,b)<Mq(a,b) holds for all a,b>0 with a≠b. Here, Mp(a,b), P(a,b), and G(a,b) denote the power of order p, Seiffert, and geometric means of two positive numbers a and b, respectively.http://dx.doi.org/10.1155/2010/108920
spellingShingle Yu-Ming Chu
Ye-Fang Qiu
Miao-Kun Wang
Sharp Power Mean Bounds for the Combination of Seiffert and Geometric Means
Abstract and Applied Analysis
title Sharp Power Mean Bounds for the Combination of Seiffert and Geometric Means
title_full Sharp Power Mean Bounds for the Combination of Seiffert and Geometric Means
title_fullStr Sharp Power Mean Bounds for the Combination of Seiffert and Geometric Means
title_full_unstemmed Sharp Power Mean Bounds for the Combination of Seiffert and Geometric Means
title_short Sharp Power Mean Bounds for the Combination of Seiffert and Geometric Means
title_sort sharp power mean bounds for the combination of seiffert and geometric means
url http://dx.doi.org/10.1155/2010/108920
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