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Related papers: A study on Horn matrix functions and its confluent…

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We will present some (formal) arguments that any Feynman diagram can be understood as a particular case of a Horn-type multivariable hypergeometric function. The advantages and disadvantages of this type of approach to the evaluation of…

High Energy Physics - Theory · Physics 2014-11-18 M. Yu. Kalmykov , V. V. Bytev , Bernd A. Kniehl , B. F. L. Ward , S. A. Yost

In this paper, we obtain recursion formulas for the Kamp\'e de Fe\'riet hypergeometric matrix function. We also give finite and infinite summation formulas for the Kamp\'e de Fe\'riet hypergeometric matrix function.

Classical Analysis and ODEs · Mathematics 2020-03-18 Ashish Verma

In this paper, we study the solutions of the system of bilateral type matrix differential equations and presented these solutions in terms of Lauricella hypergeometric matrix functions of several variables and Srivastava's triple…

Classical Analysis and ODEs · Mathematics 2021-05-04 Ravi Dwivedi , Vivek Sahai

Special matrix functions have recently been investigated for regions of convergence, integral representations and the systems of matrix differential equation that these functions satisfy. In this paper, we find the recursion formulas for…

Classical Analysis and ODEs · Mathematics 2020-03-18 Vivek Sahai , Ashish Verma

We give a systematic and unified discussion of various classes of hypergeometric type equations: the hypergeometric equation, the confluent equation, the F_1 equation (equivalent to the Bessel equation), the Gegenbauer equation and the…

Classical Analysis and ODEs · Mathematics 2015-06-15 Jan Dereziński

Hypergeometric functions and their generalizations play an important r\^{o}les in diverse applications. Many authors have been established generalizations of hypergeometric functions by a number ways. In this paper, we aim at establishing…

Classical Analysis and ODEs · Mathematics 2017-05-18 Praveen Agarwal , Mohamed Jleli

Classical hypergeometric functions are well-known to play an important role in arithmetic algebraic geometry. These functions offer solutions to ordinary differential equations, and special cases of such solutions are periods of…

Number Theory · Mathematics 2023-05-26 Yifeng Huang , Ken Ono , Hasan Saad

This is a study of terminating and ill-defined Gauss hypergeometric functions. Corresponding hypergeometric equations have a degenerate set of of 24 Kummer's solutions. We describe those solutions and relations between them.

Classical Analysis and ODEs · Mathematics 2013-10-04 Raimundas Vidunas

We present a conspicuous number of indefinite integrals involving Heun functions and their products obtained by means of the Lagrangian formulation of a general homogeneous linear ordinary differential equation. As a by-product we also…

Classical Analysis and ODEs · Mathematics 2018-07-24 Davide Batic , Omar Forrest , Marek Nowakowski

In this paper a natural generalization of the familiar H -function of Fox namely the I -function is proposed. Convergence conditions, various series representations, elementary properties and special cases for the I -function have also been…

Complex Variables · Mathematics 2012-06-05 Arjun K. Rathie

We present new algorithms that efficiently approximate the hypergeometric function of a matrix argument through its expansion as a series of Jack functions. Our algorithms exploit the combinatorial properties of the Jack function, and have…

Probability · Mathematics 2007-05-23 Plamen Koev , Alan Edelman

The confluent Heun equation is one of 4 confluent forms of Heun's differential equation in which is the Fuchsian equation of second order with four regular singularities. A confluent Heun function is applicable to diverse areas such as…

Classical Analysis and ODEs · Mathematics 2020-02-20 Yoon-Seok Choun

We introduce new hypergeometric series expansions of the solutions to the general Heun equation. The form of the Gauss hypergeometric functions used as expansion function differs from that used before. We derive three such expansions and…

Mathematical Physics · Physics 2009-09-08 R. Sokhoyan , D. Melikdzanian , A. Ishkhanyan

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

Several expansions of the solutions of the double-confluent Heun equation in terms of the Kummer confluent hypergeometric functions are presented. Three different sets of these functions are examined. Discussing the expansions without a…

Classical Analysis and ODEs · Mathematics 2018-02-01 T. A. Ishkhanyan , V. A. Manukyan , A. H. Harutyunyan , A. M. Ishkhanyan

The two most commonly used hypergeometric functions are the confluent hypergeometric function and the Gauss hypergeometric function. We review the available techniques for accurate, fast, and reliable computation of these two hypergeometric…

Numerical Analysis · Mathematics 2015-08-31 John W. Pearson , Sheehan Olver , Mason A. Porter

In this very short note we will derive an inequality for a class of entire functions including all the confluent basic hypergeometric series and an inequality for a class of meromorphic functions including theta functions.

Classical Analysis and ODEs · Mathematics 2007-05-23 Ruiming Zhang

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

In this article, we prove that convex functions and log-convex functions obey certain general refinements that lead to several refinements and reverses of well known inequalities for matrices, including Young's inequality, Heinz inequality,…

Functional Analysis · Mathematics 2016-06-28 Mohammad Sababheh

Given the growing quantity of proposals and works of basic hypergeometric functions in the scope of $q$-calculus, it is important to introduce a systematic classification of $q$-calculus. Our aim in this article is to investigate certain…

Classical Analysis and ODEs · Mathematics 2025-02-11 Ayman Shehata