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In this paper, by a concise and elementary approach, we sharpen and generalize Shafer's inequality for the arc sine function, and some known results are extended and generalized.

Classical Analysis and ODEs · Mathematics 2012-08-21 Feng Qi , Bai-Ni Guo

In this paper, we sharpen and generalize Shafer-Fink's double inequality for the arc sine function.

Classical Analysis and ODEs · Mathematics 2014-05-08 Feng Qi , Bai-Ni Guo

In this paper, we sharpen and generalize Carlson's double inequality for the arc cosine function.

Classical Analysis and ODEs · Mathematics 2010-10-20 Feng Qi , Bai-Ni Guo

In this paper, we sharpen and generalize Carlson's double inequality for the arc cosine function.

Classical Analysis and ODEs · Mathematics 2013-01-29 Bai-Ni Guo , Feng Qi

In this paper we give some sharper refinements and generalizations of inequalities related to Shafer's inequality for the arctangent function, stated in Theorems 1, 2 and 4 in [1], by C. Mortici and H.M. Srivastava.

Classical Analysis and ODEs · Mathematics 2019-10-15 Branko Malesevic , Marija Rasajski , Tatjana Lutovac

The inverse tangent function can be bounded by different inequalities, for example by Shafer's inequality. In this publication, we propose a new sharp double inequality, consisting of a lower and an upper bound, for the inverse tangent…

Information Theory · Computer Science 2013-07-19 Gholamreza Alirezaei

In this article we show a tecnique based on the Weierstrass product for the sine and cosine function and the bisection formula for the cotangent function that leads to a generalization of the classical Shafer-Fink inequality $ \frac{3…

Number Theory · Mathematics 2013-04-03 Jacopo D'Aurizio

In this paper we propose and prove some generalizations and sharpenings of certain inequalities of Wilker;'s and Shafer-Fink's type. Application of the Wu-Debnath theorem enabled us to prove some double sided inequalities.

Classical Analysis and ODEs · Mathematics 2019-10-15 Marija Rasajski , Tatjana Lutovac , Branko Malesevic

A generalization of Mercer inequality for h-convex function is presented. As application, a weighted generalization of triangle inequality is given.

General Mathematics · Mathematics 2018-01-08 M. W. Alomari

In this paper we shall prove a sharpened version of the Finsler-Hadwiger inequality which is a strong generalization of Weitzenbock inequality. After that we give another refinement of this inequality and in the final part we provide some…

Metric Geometry · Mathematics 2009-04-26 Cezar Lupu , Cosmin Pohoata

A generalization of the affine-geometric Wirtinger inequality for curves to hypersurfaces is given.

Differential Geometry · Mathematics 2012-09-28 Mohammad N. Ivaki

In this article, we obtain two interesting general inequalities concerning Riemman sums of convex functions, which in particular, sharpen Alzer's inequality and give a suitable converse for it.

Classical Analysis and ODEs · Mathematics 2007-10-22 Jamal Rooin

We study $L^p$ inequalities that sharpen the triangle inequality for sums of $N$ functions in $L^p$.

Functional Analysis · Mathematics 2019-02-13 Eric A. Carlen , Rupert L. Frank , Elliott H. Lieb

In this article we discuss a generalized Wirtinger inequality.

Analysis of PDEs · Mathematics 2010-05-04 Gisella Croce , Bernard Dacorogna

Extensions and generalizations of Alzer's inequality; which is of Wirtinger type are proved. As applications, sharp trapezoid type inequality and sharp bound for the geometric mean are deduced.

Classical Analysis and ODEs · Mathematics 2017-04-11 Mohammad W. Alomari

In this paper we propose a new method for sharpening and refinements of some trigonometric inequalities. We apply these ideas to some inequalities of Wilker-Cusa-Huygens's type.

Classical Analysis and ODEs · Mathematics 2019-10-15 Branko Malesevic , Tatjana Lutovac , Marija Rasajski , Cristinel Mortici

In this paper our aim is to deduce some sharp Tur\'an type inequalities for the remainder $q-$exponential functions. Our results are shown to be a generalization of results which were obtained by Alzer \cite{al}.

Classical Analysis and ODEs · Mathematics 2015-12-01 Khaled Mehrez

We present a general refinement of the Cauchy-Schwarz inequality over complete inner product spaces and show that it can be of interest for some statistical applications. This generalizes and simplifies previous results on the same subject.

Statistics Theory · Mathematics 2024-04-10 Sergio Scarlatti

Considering the weighted concept of majorization, Sherman obtained generalization of majorization inequality for convex functions known as Sherman's inequality. We extend Sherman's result to the class of n-strongly convex functions using…

Classical Analysis and ODEs · Mathematics 2019-05-21 Slavica Ivelić Bradanović

The present paper is devoted to the study of Jensen-Mercer-type inequalities. Our results generalize and improve some earlier results in the literature.

Classical Analysis and ODEs · Mathematics 2019-05-07 Hamid Reza Moradi , Shigeru Furuichi
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