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Computing Hypergeometric Functions Rigorously [PDF]

open access: yesACM Transactions on Mathematical Software, 2019
We present an efficient implementation of hypergeometric functions in arbitrary-precision interval arithmetic. The functions 0 F 1 , 1 F 1 , 2 F 1 , and 2 F 0
Fredrik Johansson
exaly   +9 more sources

Basic Hypergeometric Functions as Limits of Elliptic Hypergeometric Functions [PDF]

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2009
We describe a uniform way of obtaining basic hypergeometric functions as limits of the elliptic beta integral. This description gives rise to the construction of a polytope with a different basic hypergeometric function attached to each face of this ...
Fokko J. van de Bult, Eric M. Rains
doaj   +10 more sources

Generalized Gamma, Beta and Hypergeometric Functions Defined by Wright Function and Applications to Fractional Differential Equations

open access: yesCumhuriyet Science Journal, 2022
When the literature is examined, it is seen that there are many studies on the generalizations of gamma, beta and hypergeometric functions. In this paper, new types of generalized gamma and beta functions are defined and examined using the Wright ...
Enes Ata, İ. Onur Kıymaz
doaj   +2 more sources

Feynman integrals in two dimensions and single-valued hypergeometric functions [PDF]

open access: yesJournal of High Energy Physics, 2023
We show that all Feynman integrals in two Euclidean dimensions with massless propagators and arbitrary non-integer propagator powers can be expressed in terms of single-valued analogues of Aomoto-Gelfand hypergeometric functions.
Claude Duhr, Franziska Porkert
doaj   +2 more sources

A physicist's guide to the solution of Kummer's equation and confluent hypergeometric functions [PDF]

open access: yesCondensed Matter Physics, 2022
The confluent hypergeometric equation, also known as Kummer's equation, is one of the most important differential equations in physics, chemistry, and engineering. Its two power series solutions are the Kummer function, M(a,b,z), often referred to as the
W. N. Mathews Jr.   +3 more
doaj   +2 more sources

Expansions of hypergeometric functions in hypergeometric functions [PDF]

open access: yesMathematics of Computation, 1961
In [1] Luke gave an expansion of the confluent hypergeometric function in terms of the modified Bessel functions I
Fields, J. L., Wimp, J.
openaire   +2 more sources

Algebraic A-hypergeometric functions [PDF]

open access: yesInventiones mathematicae, 2010
14 pages, 3 figures, research ...
Beukers, F.   +3 more
openaire   +4 more sources

Degenerate binomial coefficients and degenerate hypergeometric functions

open access: yesAdvances in Difference Equations, 2020
In this paper, we investigate degenerate versions of the generalized pth order Franel numbers which are certain finite sums involving powers of binomial coefficients.
Taekyun Kim   +3 more
doaj   +2 more sources

Rational Hypergeometric Functions [PDF]

open access: yesCompositio Mathematica, 2001
Multivariate hypergeometric functions associated with toric varieties were introduced by Gel'fand, Kapranov and Zelevinsky. Singularities of such functions are discriminants, that is, divisors projectively dual to torus orbit closures. We show that most of these potential denominators never appear in rational hypergeometric functions.
Cattani, E, Dickenstein, A, Sturmfels, B
openaire   +3 more sources

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