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In this note we prove an inequality for t-geometric means that immediately implies the recent results of Audenaert [2] and Hayajneh-Kittaneh [6].

泛函分析 · 数学 2015-12-16 Dinh Trung Hoa

In this paper, we introduce and prove the generalizations of Radon inequality. The proofs in the paper unify and are simpler than those in former work. Meanwhile, we also find mathematical equivalences among the Bernoulli inequality, the…

经典分析与常微分方程 · 数学 2021-07-26 Yongtao Li , Xian-Ming Gu , Jianci Xiao

In the paper, by finding linear relations of differences between some means, the authors supply a unified proof of some double inequalities for bounding Neuman-S\'andor means in terms of the arithmetic, harmonic, and contra-harmonic means…

经典分析与常微分方程 · 数学 2015-01-23 Wen-Hui Li , Feng Qi

In this paper, some inequalities of bounds for the Neuman-S\'{a}ndor mean in terms of weighted arithmetic means of two bivariate means are established. Bounds involving weighted arithmetic means are sharp.

经典分析与常微分方程 · 数学 2012-11-03 Tie-Hong Zhao , Yu-Ming Chu , Bao-Yu Liu

We present a new, very short proof of a conjecture by I. Ra\c{s}a, which is an inequality involving basic Bernstein polynomials and convex functions. It was affirmed positively very recently by J. Mrowiec, T. Rajba and S. W\k{a}sowicz…

经典分析与常微分方程 · 数学 2017-08-29 Andrzej Komisarski , Teresa Rajba

In this paper, we first present simple proofs of Choi's results [4], then we give a short alternative proof for Fiedler and Markham's inequality [6]. We also obtain additional matrix inequalities related to partial determinants.

泛函分析 · 数学 2020-03-16 Yongtao Li , Lihua Feng , Zheng Huang , Weijun Liu

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…

统计理论 · 数学 2017-02-16 R. Sharma , A. Sharma , R. Saini , G. Kapoor

We establish some new generalizations of Erd\H{o}s-Mordell inequality by adding weights to its terms. Using these generalizations, we derived strengthened versions of the original Erd\H{o}s-Mordell inequality. We also found two other…

历史与综述 · 数学 2021-05-18 Tran Quang Hung

We prove some extensions of Andrews inequality.

微分几何 · 数学 2020-11-02 Hao Fang , Biao Ma , Wei Wei

In this paper we study some determinant inequalities and matrix inequalities which have a geometrical flavour. We first examine some inequalities which place work of Macbeath [13] in a more general setting and also relate to recent work of…

泛函分析 · 数学 2016-06-17 Ting Chen

We extend the classical Kato's inequality in order to allow functions $u \in L^1_\mathrm{loc}$ such that $\Delta u$ is a Radon measure. This inequality has been applied by Brezis, Marcus, and Ponce to study the existence of solutions of the…

偏微分方程分析 · 数学 2013-12-24 Haïm Brezis , Augusto C. Ponce

In this paper the double-sided Talor's approximations are used to obtain generalisations and improvements of some trigonometric inequalities.

经典分析与常微分方程 · 数学 2019-06-12 Branko Malesevic , Tatjana Lutovac , Marija Rasajski , Bojan Banjac

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

经典分析与常微分方程 · 数学 2015-03-23 József Sándor , Barkat Ali Bhayo

Some extensions of an inequality from IMO'2001 are proven by means of the Lagrange multiplier criterion.

历史与综述 · 数学 2007-05-23 Oleg Mushkarov , Nikolai Nikolov

We prove inequalities involving intrinsic and extrinsic radii and diameters of tetrahedra.

度量几何 · 数学 2019-07-01 Jin-ichi Itoh , Joël Rouyer , Costin Vîlcu

A description of solutions of some integral equations has been obtained. A two-radii theorem is obtained as well.

经典分析与常微分方程 · 数学 2013-09-17 Olga D. Trofimenko

This paper aims to characterize the function appearing in the weighted Hermite-Hadamard inequality. We provide improved inequalities for the weighted means as applications of the obtained results. Modifications of the weighted…

综合数学 · 数学 2023-01-02 Shigeru Furuichi , Nicuşor Minculete , 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…

综合数学 · 数学 2007-05-23 Inder Jeet Taneja

In this paper, we improve the famous Reid Inequality related to linear operators. Some monotony results for positive operators are also established with a different approach from what is known in the existing literature. Lastly, Reid and…

泛函分析 · 数学 2017-07-12 Souheyb Dehimi , Mohammed Hichem Mortad

We discuss several classical and recent proofs of the isoperimetric inequality and the Sobolev inequality.

微分几何 · 数学 2024-02-09 Simon Brendle , Michael Eichmair
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