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

Classical Analysis and ODEs · Mathematics 2015-12-21 Khaled Mehrez

In this paper we consider a sum of modified Bessel functions of the first kind of which particular case is used in the study of Kanter's sharp modified Bessel function bound for concentrations of some sums of independent symmetric random…

Classical Analysis and ODEs · Mathematics 2014-07-10 Árpád Baricz , Tibor K. Pogány

The article considers the generalized k-Bessel functions and represents it as Wright functions. Then we study the monotonicity properties of the ratio of two different orders k- Bessel functions, and the ratio of the k-Bessel and the…

Classical Analysis and ODEs · Mathematics 2017-02-21 Saiful R Mondal , Kottakkaran S. Nisar

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…

Classical Analysis and ODEs · Mathematics 2024-09-05 Zeynep Şanlı

In this note our aim is to determine the radius of starlikeness of the normalized Bessel functions of the first kind for three different kinds of normalization. The key tool in the proof of our main result is the Mittag-Leffler expansion…

Complex Variables · Mathematics 2014-04-23 Árpád Baricz , Pál A. Kupán , Róbert Szász

In this paper we determine the radius of convexity for three kind of normalized Bessel functions of the first kind. In the mentioned cases the normalized Bessel functions are starlike-univalent and convex-univalent, respectively, on the…

Classical Analysis and ODEs · Mathematics 2014-09-22 Árpád Baricz , Róbert Szász

In the paper, the authors verify the complete monotonicity of the difference $e^{1/t}-\psi'(t)$ on $(0,\infty)$, compute the completely monotonic degree and establish integral representations of the remainder of the Laurent series expansion…

Classical Analysis and ODEs · Mathematics 2014-06-25 Feng Qi , Shu-Hong Wang

In this paper we focus on continuous univariate probability distributions, like McKay distributions, $K$-distribution, generalized inverse Gaussian distribution and generalised McKay distributions, with support $[0,\infty),$ which are…

Probability · Mathematics 2026-05-27 Árpád Baricz , Dhivya Prabhu K , Sanjeev Singh , Antony Vijesh

We present a new alternative theorems for sequences of functions. As applications, we extend recent results in the literature related to first-order necessary conditions for optimality problems. Our contributions involve extending…

Optimization and Control · Mathematics 2024-12-10 Mohammed Bachir , Rongzhen Lyu

In this paper our aim is to present the completely monotonicity and convexity properties for the Wright function. As consequences of these results, we present some functional inequalities. Moreover, we derive the monotonicity and…

Classical Analysis and ODEs · Mathematics 2017-08-03 Khaled Mehrez

Discrete analogs of the Lebedev transforms with the product of the modified Bessel functions are introduced and investigated. Several expansions of suitable functions and sequences in terms of the series and integrals, involving the…

Classical Analysis and ODEs · Mathematics 2020-07-16 Semyon Yakubovich

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

Classical Analysis and ODEs · Mathematics 2016-01-07 Khaled Mehrez

In this paper, our aim is to show some mean value inequalities for the Fox-Wright functions, such as Tur\'an--type inequalities, Lazarevi\'c and Wilker--type inequalities. As applications we derive some new type inequalities for…

Classical Analysis and ODEs · Mathematics 2017-08-23 Khaled Mehrez , Sergei M. Sitnik

This paper studies the log-convexity of the extended beta functions. As a consequence, Tur\'an-type inequalities are established.The monotonicity, log-convexity, log-concavity of extended hypergeometric functions are deduced by using the…

Classical Analysis and ODEs · Mathematics 2016-11-28 Saiful R Mondal

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…

Classical Analysis and ODEs · Mathematics 2018-02-09 Robert E. Gaunt

In this paper certain Tur\'an type inequalities for some Lommel functions of the first kind are deduced. The key tools in our proofs are the infinite product representation for these Lommel functions of the first kind, a classical result of…

Classical Analysis and ODEs · Mathematics 2017-07-14 Árpád Baricz , Stamatis Koumandos

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…

Classical Analysis and ODEs · Mathematics 2017-03-21 Robert E. Gaunt

In this paper our aim is to find the radii of starlikeness and convexity of Bessel function derivatives for three different kind of normalization. The key tools in the proof of our main results are the Mittag-Leffler expansion for nth…

Complex Variables · Mathematics 2018-04-09 Erhan Deniz , Sercan Topkaya , Murat Çağlar

In this paper we prove some monotonicity, log--convexity and log--concavity properties for the Volterra and incomplete Volterra functions. Moreover, as consequences of these results, we present some functional inequalities (like Tur\'an…

Classical Analysis and ODEs · Mathematics 2018-11-20 Khaled Mehrez , Sergei M. Sitnik

In this paper we deduce some tight Tur\'an type inequalities for Tricomi confluent hypergeometric functions of the second kind, which in some cases improve the existing results in the literature. We also give alternative proofs for some…

Classical Analysis and ODEs · Mathematics 2017-07-14 Árpád Baricz , Saminathan Ponnusamy , Sanjeev Singh