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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

In 2021, Hu and Kim defined a new type of gamma function $\widetilde{\Gamma}(x)$ from the alternating Hurwitz zeta function $\zeta_{E}(z,x)$, and obtained some of its properties. In this paper, we shall further investigate the function…

Number Theory · Mathematics 2025-04-28 Wanyi Wang , Su Hu , Min-Soo Kim

Let $\Omega\Subset\mathbb{C}^{n}$ be a domain with smooth boundary, $k\in\mathbb{N}$. It is shown that the integral of a holomorphic function in $L^1(\Omega)$ may be represented as the integral of this function against a smooth function…

Complex Variables · Mathematics 2013-03-22 A. -K. Herbig

We develop a new generalized form of the fractional kinetic equation involving a generalized k-Bessel function. The generalized $k$-Mittag-leffler function $E^{\gamma,q}_{k,\alpha,\beta}(.)$ is discussed in terms of the solution of the…

Analysis of PDEs · Mathematics 2017-05-08 Praveen Agarwal , Donal O'Regan , Mehar Chand

A recent development in the theory of fractional differential equations with variable coefficients has been a method for obtaining an exact solution in the form of an infinite series involving nested fractional integral operators. This…

Classical Analysis and ODEs · Mathematics 2021-05-04 Arran Fernandez , Joel E. Restrepo , Durvudkhan Suragan

We consider the asymptotic expansion of the generalised exponential integral involving the Mittag-Leffler function introduced recently by Mainardi and Masina [{\it Fract. Calc. Appl. Anal.} {\bf 21} (2018) 1156--1169]. We extend the…

Classical Analysis and ODEs · Mathematics 2020-02-20 R B Paris

We find an integral representation for the generalized hypergeometric function unifying known representations via generalized Stieltjes, Laplace and cosine Fourier transforms. Using positivity conditions for the weight in this…

Classical Analysis and ODEs · Mathematics 2014-09-11 Dmitrii Karp

We introduce a new technique for evaluation of series with zeta coefficients and also for evaluation of certain integrals involving the logGamma function. This technique is based on Hankel integral representations of the Hurwitz zeta, the…

Classical Analysis and ODEs · Mathematics 2016-10-10 Khristo N. Boyadzhiev

We calculate some infinite sums containing the digamma function in closed-form. These sums are related either to the incomplete beta function or to the Bessel functions. The calculations yield interesting new results as by-products, such as…

Classical Analysis and ODEs · Mathematics 2023-04-28 Juan L. González-Santander , Fernando Sánchez Lasheras

We generalize the Mittag-Leffler function by attaching an exponent to its Taylor coefficients. The main result is an asymptotic formula valid in sectors of the complex plane, which extends work by Le Roy [Bull. des sciences math. 24, 1900]…

Complex Variables · Mathematics 2011-03-14 Stefan Gerhold

The two-parametric Mittag-Leffler function (MLF), $E_{\alpha,\beta}$, is fundamental to the study and simulation of fractional differential and integral equations. However, these functions are computationally expensive and their numerical…

Numerical Analysis · Mathematics 2019-12-24 Ibrahim O. Sarumi , Khaled M. Furati , Abdul Q. M. Khaliq

This article deals with the ratio of normalized Mittag-Leffler function $\mathbb{E}_{\alpha,\beta}(z)$ and its sequence of partial sums $(\mathbb{E}_{\alpha,\beta})_m(z)$. Several examples which illustrate the validity of our results are…

Complex Variables · Mathematics 2016-06-16 Dorina Raducanu

Integral representations of hypergeometric functions proved to be a very useful tool for studying their properties. The purpose of this paper is twofold. First, we extend the known representations to arbitrary values of the parameters and…

Classical Analysis and ODEs · Mathematics 2016-10-06 D. Karp , J. L. López

In this paper, the generalized fractional integral operators of two generalized Mittag-Leffler type functions are investigated. The special cases of interest involve the generalized Fox--Wright function and the generalized M-series and…

Classical Analysis and ODEs · Mathematics 2017-03-22 Christian Lavault

The difficulties arising in the investigation of finite-size scaling in $d$--dimensional O(n) systems with strong anisotropy and/or long-range interaction, decaying with the interparticle distance $r$ as $r^{-d-\sigma}$ ($0<\sigma\leq2$),…

Statistical Mechanics · Physics 2009-11-11 H. Chamati , N. S. Tonchev

We consider the whole-plane SLE conformal map f from the unit disk to the slit plane, and show that its mixed moments, involving a power p of the derivative modulus |f'| and a power q of the map |f| itself, have closed forms along some…

Mathematical Physics · Physics 2017-04-24 Bertrand Duplantier , Xuan Hieu Ho , Thanh Binh Le , Michel Zinsmeister

In this work we derive a functional equation in terms of the Hurwitz-Lerch zeta function along with definite integrals in terms of the incomplete gamma and Hurwitz-Lerch zeta functions. The method used in these derivations is contour…

General Mathematics · Mathematics 2024-11-19 Robert Reynolds

A new integral representation for the Riemann zeta function is derived. This representation covers the important region of the complex plane where the real part of the argument of the function lies between 0 and 1. Using this…

Number Theory · Mathematics 2017-12-15 Sandeep Tyagi , Christian Holm

A Fourier-type integral representation for Bessel's function of the first kind and complex order is obtained by using the Gegenbuaer extension of Poisson's integral representation for the Bessel function along with a trigonometric integral…

Classical Analysis and ODEs · Mathematics 2017-09-01 Enrico De Micheli

Let G be the group of points of a quasi-split reductive algebraic group over a local field F. It follows from the local Langlands conjectures that to every non-trivial additive character of F and every representation of the Langlands dual…

Algebraic Geometry · Mathematics 2007-05-23 Alexander Braverman , David Kazhdan , V. Vologodsky