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Simple inequalities are established for some integrals involving the modified Bessel functions of the first and second kind. In most cases these inequalities are tight in certain limits. As a consequence, we deduce a tight double…

经典分析与常微分方程 · 数学 2019-04-23 Robert E. Gaunt

In this paper, new sharpened Huygens type inequalities involving Bessel and modified Bessel functions of the first kinds are established

经典分析与常微分方程 · 数学 2015-12-21 Khaled Mehrez

In this paper, the versions of trigonometric functions of certain known inequalities for hyperbolic ones are proved, and then corresponding inequalities for means are presented.

经典分析与常微分方程 · 数学 2013-04-22 Zhen-Hang Yang

In this paper, we present a generalization of the Huygens types inequalities involving Bessel and modified Bessel functions of the first kind.

经典分析与常微分方程 · 数学 2016-01-07 Khaled Mehrez

The aim of this paper is to prove new trigonometric and hyperbolic inequalities, which constitute among others refinements or analogs of famous Cusa-Huygens, Wu-Srivastava, and related inequalities. In most cases, the obtained results are…

经典分析与常微分方程 · 数学 2017-08-15 Barkat Ali Bhayo , Riku Klén , József Sándor

In this paper our aim is to show some mean value inequalities for the modified Bessel functions of the first and second kinds. Our proofs are based on some bounds for the logarithmic derivatives of these functions, which are in fact…

经典分析与常微分方程 · 数学 2011-12-06 Árpád Baricz , Saminathan Ponnusamy , Matti Vuorinen

In the paper, the authors introduce a new concept "extended $s$-convex functions", establish some new integral inequalities of Hermite-Hadamard type for this kind of functions, and apply these inequalities to derive some inequalities of…

经典分析与常微分方程 · 数学 2015-06-02 Bo-Yan Xi , Feng Qi

The main aim of this note, which can be viewed as a certain addendum to the paper \cite{2019}, is to propose several generalized inequalities for the ratio functions of trigonometric and hyperbolic functions. We basically follow the…

综合数学 · 数学 2024-04-08 Marko Kostić , Yogesh J. Bagul , Christophe Chesneau

The aim of this work is to analyze general infinite sums containing modified Bessel functions of the second kind. In particular we present a method for the construction of a proper asymptotic expansion for such series valid when one of the…

数学物理 · 物理学 2015-10-14 Guglielmo Fucci , Klaus Kirsten

Simple inequalities are established for some integrals involving the modified Bessel functions of the first and second kind. In most cases, we show that we obtain the best possible constant or that our bounds are tight in certain limits. We…

经典分析与常微分方程 · 数学 2018-02-09 Robert E. Gaunt

Various miscellaneous functional inequalities are deduced for the so-called generalized inverse trigonometric and hyperbolic functions. For instance, functional inequalities for sums, difference and quotient of generalized inverse…

经典分析与常微分方程 · 数学 2014-04-23 Árpád Baricz , Barkat Ali Bhayo , Tibor K. Pogány

In this paper we established a new Simpson type conformable fractional integral equality for convex functions. Based on this identity, some results related to Simpson-like type inequalities are obtained. These results are then applied to…

经典分析与常微分方程 · 数学 2024-09-05 Zeynep Şanlı

In this note our aim is to point out that certain inequalities for modified Bessel functions of the first and second kind, deduced recently by Laforgia and Natalini, are in fact equivalent to the corresponding Tur\'an type inequalities for…

经典分析与常微分方程 · 数学 2013-05-06 Árpád Baricz , Saminathan Ponnusamy

Generalized trigonometric functions and generalized hyperbolic functions can be converted to each other by the duality formulas previously discovered by the authors. In this paper, we apply the duality formulas to prove dual pairs of…

经典分析与常微分方程 · 数学 2023-01-06 Hiroki Miyakawa , Shingo Takeuchi

We obtain new inequalities for the modified Bessel function of the second kind $K_\nu$ in terms of the gamma function. These bounds follow as special cases of inequalities that we derive for the kernel of the Kr\"{a}tzel integral…

经典分析与常微分方程 · 数学 2017-05-30 Robert E. Gaunt

A number of new definite integrals involving Bessel functions are presented. These have been derived by finding new integral representations for the product of two Bessel functions of different order and argument in terms of the generalized…

经典分析与常微分方程 · 数学 2016-09-06 M. Lawrence Glasser , Emilio Montaldi

Motivated by some applications in applied mathematics, biology, chemistry, physics and engineering sciences, new tight Tur\'an type inequalities for modified Bessel functions of the first and second kind are deduced. These inequalities…

经典分析与常微分方程 · 数学 2017-07-14 Árpád Baricz

Simple inequalities for some integrals involving the modified Bessel functions $I_{\nu}(x)$ and $K_{\nu}(x)$ are established. We also obtain a monotonicity result for $K_{\nu}(x)$ and a new lower bound, that involves gamma functions, for…

经典分析与常微分方程 · 数学 2017-03-21 Robert E. Gaunt

We develop a new point of view to introduce families of functions, which can be identified as generalization of the ordinary trigonometric or hyperbolic functions. They are defined using a procedure based on umbral methods, inspired to the…

经典分析与常微分方程 · 数学 2017-03-01 Giuseppe Dattoli , Silvia Licciardi , Rosa Maria Pidatella

In this work, we generalize the D'Aurizio-S\'andor inequalities (\cite{D'Aurizio,Sandor}) using an elementary approach. In particular, our approach provides an alternative proof of the D'Aurizio-S\'andor inequalities. Moreover, as an…

经典分析与常微分方程 · 数学 2017-03-29 Li-Chang Hung , Pei-Ying Li
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