A+ CATEGORY SCIENTIFIC UNIT

Optimal weighted harmonic interpolations between Seiffert means

Volume 130 / 2013

Alfred Witkowski Colloquium Mathematicum 130 (2013), 265-279 MSC: Primary 26E60; Secondary 26D07. DOI: 10.4064/cm130-2-8

Abstract

We provide a set of optimal estimates of the form $$ \frac {1-\mu }{\mathcal {A}(x,y)}+ \frac {\mu }{\mathcal {M}(x,y)}\leq \frac {1}{\mathcal {B}(x,y)}\leq \frac {1-\nu }{\mathcal {A}(x,y)}+ \frac {\nu }{\mathcal {M}(x,y)} $$ where $\mathcal {A}<\mathcal {B}$ are two of the Seiffert means $L,P,M,T$, while $\mathcal {M}$ is another mean greater than the two.

Authors

  • Alfred WitkowskiInstitute of Mathematics and Physics
    University of Technology and Life Sciences
    Al. Prof. Kaliskiego 7
    85-789 Bydgoszcz, Poland
    e-mail
    e-mail

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