Sharp power mean bounds for Seiffert mean

In this paper, we find the greatest value p = log 2/(log Tr - log 2) = 1.53.- and the least value q -- 5/3 - 1.66.. such that the double inequality Mp(a,b) 〈 T(a,b) 〈 Mq(a,b) holds for all a, b 〉 0 with a # b. Here, Mp(a, b) and T(a, b) are the p-th power and Seiffertmeans of two positive numbers a...

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Veröffentlicht in:Applied Mathematics-A Journal of Chinese Universities 2014-03, Vol.29 (1), p.101-107
Hauptverfasser: Li, Yong-min, Wang, Miao-kun, Chu, Yu-ming
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Sprache:eng
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Zusammenfassung:In this paper, we find the greatest value p = log 2/(log Tr - log 2) = 1.53.- and the least value q -- 5/3 - 1.66.. such that the double inequality Mp(a,b) 〈 T(a,b) 〈 Mq(a,b) holds for all a, b 〉 0 with a # b. Here, Mp(a, b) and T(a, b) are the p-th power and Seiffertmeans of two positive numbers a and b, respectively.
ISSN:1005-1031
1993-0445
DOI:10.1007/s11766-014-3008-6