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Derivatives with respect to the parameters of the integral Mittag-Leffler function and the integral Wright function, recently introduced by us, are calculated. These derivatives can be expressed in the form of infinite sums of quotients of…

Classical Analysis and ODEs · Mathematics 2024-01-23 Alexander Apelblat , Juan Luis González-Santander

We calculate some finite and infinite sums containing the digamma function in closed-form. For this purpose, we differentiate selected reduction formulas of the hypergeometric function with respect to the parameters applying some derivative…

Classical Analysis and ODEs · Mathematics 2022-12-01 Juan L. González-Santander

In this survey we discuss derivatives of the Wright functions (of the first and the second kind) with respect to parameters. Differentiation of these functions leads to infinite power series with coefficient being quotients of the digamma…

General Mathematics · Mathematics 2022-12-21 Alexander Apelblat , Francesco Mainardi

A new expansion for integral powers of the hypergeometric function corresponding to a special case of the incomplete beta function is summarized, and consequences, including two new sums involving digamma (psi) functions are presented.

Classical Analysis and ODEs · Mathematics 2013-05-22 Michael Milgram

Integral Mittag-Leffler, Whittaker and Wright functions with integrands similar to those which already exist in mathematical literature are introduced for the first time. For particular values of parameters, they can be presented in…

Classical Analysis and ODEs · Mathematics 2021-12-23 Alexander Apelblat , Juan Luis González-Santander

Using probability theory we derive an expression for the sum of a series of definite integrals involving upper incomplete Gamma functions. In the proof, a normal variance mixture distribution with Beta mixing distributions plays a crucial…

Classical Analysis and ODEs · Mathematics 2025-09-16 Matyas Barczy , István Mező

We give closed-form expressions for the Dirichlet beta function at even positive integers and for the Dirichlet lambda function at odd positive integers, based on the function J(s) defined via convergent integral. We also show fundamental…

Number Theory · Mathematics 2014-05-13 JeonWon Kim

First derivatives of the Whittaker function $\mathrm{M}_{\kappa ,\mu }\left(x\right) $ with respect to the parameters are calculated. Using the confluent hypergeometric function, these derivarives can be expressed as infinite sums of…

Classical Analysis and ODEs · Mathematics 2023-04-28 Alexander Apelblat , Juan Luis González-Santander

We derive new reduction formulas for the incomplete beta function and the Lerch transcendent in terms of elementary functions. As an application, we calculate some new integrals. Also, we use these reduction formulas to test the performance…

Classical Analysis and ODEs · Mathematics 2021-06-25 J. L. González-Santander

In this article, we define a special function called the Bigamma function. It provides a generalization of Euler's gamma function. Several algebraic properties of this new function are studied. In particular, results linking this new…

General Mathematics · Mathematics 2024-06-05 Mustapha Raissouli , Mohamed Chergui

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…

Classical Analysis and ODEs · Mathematics 2016-09-06 M. Lawrence Glasser , Emilio Montaldi

The main object of this paper is to present a new generalized beta function which defined by three parametres Mittag-Leffler function. We also introduce new generalizations of hypergeometric and confluent hypergeometric functions with the…

Classical Analysis and ODEs · Mathematics 2018-03-09 Muhammed Ay

Motivated mainly by certain interesting recent extensions of the Gamma, Beta and hypergeometric functions, we introduce here new extensions of the Beta function, hypergeometric and confluent hypergeometric functions. We systematically…

Classical Analysis and ODEs · Mathematics 2015-02-24 R. K. Parmar , P. Chopra , R. B. Paris

We establish sharp inequalities involving the incomplete Beta and Gamma functions. These inequalities arise in the approximation of generalized Bernstein functions by higher order Thorin-Bernstein functions. Furthermore, new properties of a…

Classical Analysis and ODEs · Mathematics 2024-09-05 Stamatis Koumandos , Henrik Laurberg Pedersen

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

A new definition for the Dirichlet beta function for positive integer arguments is discovered and presented for the first time. This redefinition of the Dirichlet beta function, based on the polygamma function for some special values,…

Number Theory · Mathematics 2015-01-07 Michael A. Idowu

In this paper, we present an extension of Mittag-Leffler function by using the extension of beta functions (\"{O}zergin et al. in J. Comput. Appl. Math. 235 (2011), 4601-4610) and obtain some integral representation of this newly defined…

Classical Analysis and ODEs · Mathematics 2017-03-16 G. Rahman , K. S. Nisar , S. Mubeen , M. Arshad

By some hypergeometric summation theorems, the authors establish a series of new infinite summation formulas involving generalized harmonic numbers related to Riemann-Zeta function, with three different patterns.

Combinatorics · Mathematics 2019-08-27 Xiaoxia Wang , Xueying Yuan

Mathematical functions, which often appear in mathematical analysis, are referred to as special functions and have been studied over hundreds of years. Many books and dictionaries are available that describe their properties and serve as a…

Classical Analysis and ODEs · Mathematics 2023-11-28 Yoshitaka Okuyama

Little is known about the zeros of the Digamma function. Establishing some Weierstrassian infinite product representations for a given regularization of the Digamma function we find interesting sums of its zeros. In addition, we study the…

Complex Variables · Mathematics 2016-02-10 István Mező
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