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Generalised elliptic functions [PDF]

open access: yesOpen Mathematics, 2012
Abstract We consider multiply periodic functions, sometimes called Abelian functions, defined with respect to the period matrices associated with classes of algebraic curves. We realise them as generalisations of the Weierstraß ℘-function using two different approaches.
England Matthew, Athorne Chris
core   +5 more sources

HEUN FUNCTIONS VERSUS ELLIPTIC FUNCTIONS [PDF]

open access: yesDifference Equations, Special Functions and Orthogonal Polynomials, 2007
Communication at the International Conference on Difference Equations, Special Functions and Applications, Munich, 25-30 july 2005, latex 2e, 20 ...
Valent, Galliano
openaire   +6 more sources

Elliptic Feynman integrals and pure functions

open access: yesJournal of High Energy Physics, 2018
We propose a variant of elliptic multiple polylogarithms that have at most logarithmic singularities in all variables and satisfy a differential equation without homogeneous term.
Broedel, Johannes   +4 more
core   +3 more sources

Demchenko’s nonholonomic case of a gyroscopic ball rolling without sliding over a sphere after his 1923 Belgrade doctoral thesis [PDF]

open access: yesTheoretical and Applied Mechanics, 2020
We present an integrable nonholonomic case of rolling without sliding of a gyroscopic ball over a sphere. This case was introduced and studied in detail by Vasilije Demchenko in his 1923 doctoral dissertation defended at the University of Belgrade, with ...
Dragović Vladimir   +2 more
doaj   +1 more source

Elliptic cliffordian functions [PDF]

open access: yesComplex Variables, Theory and Application: An International Journal, 2001
In the study of holomorphic functions of one complex variable, one well-known theory is that of elliptic functions and it is possible to take the zeta-function of Weierstrass as a building stone of this vast theory. We are working the analogue theory in the natural context of higher dimensional spaces : holomorphic and elliptic Cliffordian functions.
Laville, Guy, Ramadanoff, Ivan
openaire   +3 more sources

EQUIVALENCE OF THE FREDHOLM SOLVABILITY CONDITION FOR THE NEUMANN PROBLEM TO THE COMPLEMENTARITY CONDITION

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2021
The methods of complex analysis constitute the classical direction in the study of elliptic equations and mixed-type equations on the plane and fundamental results have now been obtained. In the early 60s of the last century, a new theoretical-functional
B. D. Koshanov, A. D. Kuntuarova
doaj   +1 more source

On solutions of the Chazy equation

open access: yesЖурнал Белорусского государственного университета: Математика, информатика, 2021
The Chazy system determines the necessary and sufficient conditions for the absence of movable critical points of solutions of the particular third order differential equation that was considered by Chazy in one of the first papers on the classification ...
Kiryl G. Atrokhau, Elena V. Gromak
doaj   +1 more source

Introducing elliptic, an R Package for Elliptic and Modular Functions

open access: yesJournal of Statistical Software, 2006
This paper introduces the elliptic package of R routines, for numerical calculation of elliptic and related functions. Elliptic functions furnish interesting and instructive examples of many ideas of complex analysis, and the package illustrates these ...
Robin K.S. Hankin
doaj   +3 more sources

On the equation fn + (f″)m ≡ 1

open access: yesDemonstratio Mathematica, 2023
Let nn and mm be two positive integers, and the second-order Fermat-type functional equation fn+(f″)m≡1{f}^{n}+{({f}^{^{\prime\prime} })}^{m}\equiv 1 does not have a nonconstant meromorphic solution in the complex plane, except (n,m)∈{(1,1),(1,2),(1,3 ...
Dang Guoqiang
doaj   +1 more source

Towards elliptic deformation of q,t-matrix models

open access: yesPhysics Letters B, 2021
As a necessary step in construction of elliptic matrix models, which preserve the superintegrability property ∼char, we suggest an elliptic deformation of the peculiar loci pkΔn, which play an important role in precise formulation of this property.
Andrei Mironov, Alexei Morozov
doaj   +1 more source

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