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In this paper we shall consider some famous means such as arithmetic, harmonic, geometric, logarithmic means, etc. Inequalities involving logarithmic mean with differences among other means are presented

Information Theory · Computer Science 2011-03-15 Inder Jeet Taneja

An upper bound of the logarithmic mean is given by a convex combination of the arithmetic mean and the geometric mean. In addition, a lower bound of the logarithmic mean is given by a geometric bridge of the arithmetic mean and the…

Functional Analysis · Mathematics 2024-01-12 Shigeru Furuichi , Mehdi Eghbali Amlashi

In this article we present some new comparisons between the Heinz and Heron operator means, which improve some recent results known from the literature. We derive some refinements of these inequalities for unitarily invariant norms with the…

Functional Analysis · Mathematics 2021-05-11 A. G. Ghazanfari

In this article, we present several inequalities treating operator means and the Cauchy-Schwarz inequality. In particular, we present some new comparisons between operator Heron and Heinz means, several generalizations of the difference…

Functional Analysis · Mathematics 2021-07-23 Y. Kapil , C. Conde , M. S. Moslehian , M. Singh , M. Sababheh

We give tight bounds for logarithmic mean. We also give new Frobenius norm inequalities for two positive semidefinite matrices. In addition, we give some matrix inequalities on matrix power mean.

Functional Analysis · Mathematics 2014-02-05 Shigeru Furuichi , Kenjiro Yanagi

Inspired by the recent work by R.Pal et al., we give further refined inequalities for a convex Riemann integrable function, applying the standard Hermite-Hadamard inequality. Our approach is different from their one in \cite{PSMA2016}. As…

Classical Analysis and ODEs · Mathematics 2020-04-08 Shigeru Furuichi , Nicuşor Minculete

We offer new proofs, refinements as well as new results related to classical means of two variables, including the identric and logarithmic means.

Classical Analysis and ODEs · Mathematics 2015-03-23 József Sándor , Barkat Ali Bhayo

Some mathematical inequalities among various weighted means are studied. Inequalities on weighted logarithmic mean are given. Besides, the gap in Jensen's inequality is studied as a convex function approach. Consequently, some non-trivial…

Classical Analysis and ODEs · Mathematics 2022-11-08 Shigeru Furuichi , Kenjiro Yanagi , Hamid Reza Moradi

In this paper we shall consider some famous means such as arithmetic, harmonic, geometric, root-square means, etc. Some new means recently studied are also presented. Different kinds of refinement of inequalities among these means are…

General Mathematics · Mathematics 2007-05-23 Inder Jeet Taneja

Inequalities for norms of different versions of the geometric mean of two positive definite matrices are presented.

Functional Analysis · Mathematics 2015-02-17 Rajendra Bhatia , Priyanka Grover

In the paper, the monotonicity and logarithmic convexity of Gini means and related functions are investigated.

Classical Analysis and ODEs · Mathematics 2012-09-04 Feng Qi , Bai-Ni Guo

In this paper we first introduce the Heron and Heinz means of two convex functionals. Afterwards, some inequalities involving these functional means are investigated. The operator versions of our theoretical functional results are…

Functional Analysis · Mathematics 2018-12-20 Mustapha Raïssouli , Shigeru Furuichi

The main goal of this article is to present several quadratic refinements and reverses of the well known Heinz inequality, for numbers and matrices, where the refining term is a quadratic function in the mean parameters. The proposed idea…

Functional Analysis · Mathematics 2021-07-23 Fuad Kittaneh , Mohammad Sal Moslehian , Mohammad Sababheh

The main goal of this article is to find the exact difference between a convex function and its secant, as a limit of positive quantities. This idea will be expressed as a convex inequality that leads to refinements and reversals of well…

Functional Analysis · Mathematics 2016-06-23 Mohammad Sababheh

In the paper, we present a monotonicity result of a function involving the gamma function and the logarithmic function, refine a double inequality for the gamma function, and improve some known results for bounding the gamma function.

Classical Analysis and ODEs · Mathematics 2012-05-21 Feng Qi , Bai-Ni Guo

We introduce some symmetric homogeneous means, and then show unitarily invariant norm inequalities for them, applying the method established by Hiai and Kosaki. Our new inequalities give the tighter bounds of the logarithmic mean than the…

Functional Analysis · Mathematics 2014-02-11 Shigeru Furuichi

It is shown that Newton's inequalities and the related Maclaurin's inequalities provide several refinements of the fundamental Arithmetic mean - Geometric mean - Harmonic mean inequality in terms of the means and variance of positive real…

Statistics Theory · Mathematics 2017-02-16 R. Sharma , A. Sharma , R. Saini , G. Kapoor

In this article, we prove that convex functions and log-convex functions obey certain general refinements that lead to several refinements and reverses of well known inequalities for matrices, including Young's inequality, Heinz inequality,…

Functional Analysis · Mathematics 2016-06-28 Mohammad Sababheh

We provide a new characterization of the logarithmic Sobolev inequality.

Analysis of PDEs · Mathematics 2017-02-16 Hoai-Minh Nguyen , Marco Squassina

We review some convexity inequalities for Hermitian matrices an add one more to the list.

Functional Analysis · Mathematics 2007-05-23 Jean-christophe Bourin
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