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In this paper we study the convexity and concavity properties of generalized trigonometric and hyperbolic functions in case of Logarithmic mean.

Analysis of PDEs · Mathematics 2014-04-29 Barkat Ali Bhayo , Li Yin

In this note we prove a condition of monotonicity for the integral functional $ F(g) = \int_a^b h(x)\, d[-g(x)] $ with respect to $g$, a function of bounded variation. This condition is applied to analyze the behavior of a generalized…

Classical Analysis and ODEs · Mathematics 2015-03-19 Stefano Bertoni

In this paper, we prove some inequalities for the differences and ratios of the beta function.

Classical Analysis and ODEs · Mathematics 2026-04-27 Jean-Marcel T. Dje , Eyram A. K. Schwinger , Benoit F. Sehba

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…

General Mathematics · Mathematics 2023-01-02 Shigeru Furuichi , Nicuşor Minculete , Hamid Reza Moradi

In this paper we investigate the gamma-relative differentiation by the motivation of amending the order of the weighted polynomial approximation on the semiaxis for certain functions. With the help of this we give some definitions of…

Classical Analysis and ODEs · Mathematics 2013-08-28 Zoltán Markó

In the paper, the authors discover an integral representation, some inequalities, and complete monotonicity of Bernoulli numbers of the second kind.

Classical Analysis and ODEs · Mathematics 2015-05-26 Feng Qi , Xiao-Jing Zhang

In this paper, additional properties of the lower gamma functions and the error functions are introduced and proven. In particular, we prove interesting relations between the error functions and Laplace transform.

Classical Analysis and ODEs · Mathematics 2015-02-17 Rami AlAhmad

We find two-sided inequalities for the generalized hypergeometric function of the form ${_{q+1}}F_{q}(-x)$ with positive parameters restricted by certain additional conditions. Both lower and upper bounds agree with the value of…

Classical Analysis and ODEs · Mathematics 2015-02-03 D. Karp , S. M. Sitnik

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

We study monotonicity and convexity properties of functions arising in the theory of elliptic integrals, and in particular in the case of a Schwarz-Christoffel conformal mapping from a half-plane to a trapezoid. We obtain sharp monotonicity…

Classical Analysis and ODEs · Mathematics 2015-06-26 V. Heikkala , H. Lindén , M. K. Vamanamurthy , M. Vuorinen

An analysis of the zeta and gamma function is presented, using elementary functions like [] and {}, a general formula for the angle of zeta(1/2 + i*n) is found and the same for the gamma function.

Number Theory · Mathematics 2013-10-30 Simon Plouffe

A $q$-analogue of the multiple gamma functions is introduced, and is shown to satisfy the generalized Bohr-Morellup theorem. Furthermore we give some expressions of these function.

q-alg · Mathematics 2016-09-08 Michitomo Nishizawa

In this note, we present a refinement of the well-known AM-GM inequality. We use this improved inequalty to establish corresponding inequalities on Hilbert space. We also give some refinements of the Kantorovich inequality.

Functional Analysis · Mathematics 2021-11-08 Mehdi Eghbali Amlashi , Mahmoud Hassani

The aim of this paper is to develop analytic techniques to deal with certain monotonicity of combinatorial sequences. (1) A criterion for the monotonicity of the function $\sqrt[x]{f(x)}$ is given, which is a continuous analog for one…

Combinatorics · Mathematics 2015-04-29 Bao-Xuan Zhu

In this article, we study the asymptotics of harmonic functions. A typical method is by proving monotonicity formulas of a version of rescaled Dirichlet energy, and use it to study the renormalized solution -- the Almgren's blowup. However,…

Analysis of PDEs · Mathematics 2023-05-02 Zongyuan Li

Investigation of the generalized trigonometric and hyperbolic functions containing two parameters has been a very active research area over the last decade. We believe, however, that their monotonicity and convexity properties with respect…

Classical Analysis and ODEs · Mathematics 2024-11-21 Dmitrii Karp , Elena Prilepkina

We prove two results concerning an Ulam-type stability problem for homomorphisms between lattices. One of them involves estimates by quite general error functions; the other deals with approximate (join) homomorphisms in terms of certain…

Classical Analysis and ODEs · Mathematics 2017-12-12 Roman Badora , Tomasz Kochanek , Barbara Przebieracz

We prove two improved versions of the Hardy-Rellich inequality for the polyharmonic operator $(-\Delta)^m$ involving the distance to the boundary. The first involves an infinite series improvement using logarithmic functions, while the…

Analysis of PDEs · Mathematics 2007-05-23 G. Barbatis

By use of a modified Nunokawa's lemma, we obtain some new conditions for univalence. Also, some sharp inequalities concerning univalent functions are presented.

Complex Variables · Mathematics 2018-12-20 M. M. Motamedinezhad , R. Kargar

In this paper we investigate some convergence and divergence properties of the logarithmic means of quadratical partial sums of double Fourier series of functions in the measure and in the $L$ Lebesgue norm.

Analysis of PDEs · Mathematics 2013-01-15 Ushangi Goginava
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