Results 31 to 40 of about 3,448,082 (381)

On families of 9-congruent elliptic curves [PDF]

open access: yes, 2015
We compute equations for the families of elliptic curves 9-congruent to a given elliptic curve. We use these to find infinitely many non-trivial pairs of 9-congruent elliptic curves over Q, i.e.
Fisher, Tom
core   +1 more source

Elliptic Gaudin models and elliptic KZ equations [PDF]

open access: yesNuclear Physics B, 2002
The Gaudin models based on the face-type elliptic quantum groups and the $XYZ$ Gaudin models are studied. The Gaudin model Hamiltonians are constructed and are diagonalized by using the algebraic Bethe ansatz method. The corresponding face-type Knizhnik-Zamolodchikov equations and their solutions are given.
Yao-Zhong Zhang   +3 more
openaire   +6 more sources

Supercritical Elliptic Equations [PDF]

open access: yesAdvanced Nonlinear Studies, 2012
Abstract For an elliptic model equation with supercritical power non-linearity we give a complete description of radial solutions and discuss self-similar blow-up solutions.
Rupflin, M, Struwe, M
openaire   +3 more sources

Improved General Mapping Deformation Method for Nonlinear Partial Differential Equations in Mathematical Physics

open access: yesJournal of Applied Mathematics, 2013
We use the improved general mapping deformation method based on the generalized Jacobi elliptic functions expansion method to construct some of the generalized Jacobi elliptic solutions for some nonlinear partial differential equations in mathematical ...
Khaled A. Gepreel
doaj   +1 more source

Positive Solutions for Perturbed Fractional p-Laplacian Problems

open access: yesFractal and Fractional, 2022
In this article, we consider a class of quasilinear elliptic equations involving the fractional p-Laplacian, in which the nonlinear term satisfies subcritical or critical growth.
Mengfei Tao, Binlin Zhang
doaj   +1 more source

Nonlocal elliptic equations in bounded domains: a survey [PDF]

open access: yes, 2015
In this paper we survey some results on the Dirichlet problem ( Lu = f in u = g in R n n for nonlocal operators of the form Lu(x) = PV Z Rn u(x) u(x + y) K(y)dy: We start from the very basics, proving existence of solutions, maximum principles, and ...
Xavier Ros-Oton
semanticscholar   +1 more source

Existence of positive weak solutions for a class of singular elliptic equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2011
In this note, we are concerned with positive solutions for a class of singular elliptic equations. Under some conditions, we obtain weak solutions for the equations by elliptic regularization method and sub-super solution method.
Li Xia, Jingna Li, Zheng'an Yao
doaj   +1 more source

A Deep Neural Network Algorithm for Semilinear Elliptic PDEs with Applications in Insurance Mathematics

open access: yesRisks, 2020
In insurance mathematics, optimal control problems over an infinite time horizon arise when computing risk measures. An example of such a risk measure is the expected discounted future dividend payments.
Stefan Kremsner   +2 more
doaj   +1 more source

Entropy and elliptic equations [PDF]

open access: yesQuarterly of Applied Mathematics, 1993
The author studies steady-state solutions of the heat equation in a domain \(\Omega \subset \mathbb{R}^3\), that is, solutions of the equation \(- \Delta u = f(x)\) in \(\Omega\). He derives an integral identity for solutions of the form \(\int_{\partial P} {- \nu \cdot \text{grad} u \over u} ds = F + G\), where \(P \subset \Omega\) and \(F\) and \(G\)
openaire   +2 more sources

Jacobi Elliptic Solutions for Nonlinear Differential Difference Equations in Mathematical Physics

open access: yesJournal of Applied Mathematics, 2012
We put a direct new method to construct the rational Jacobi elliptic solutions for nonlinear differential difference equations which may be called the rational Jacobi elliptic functions method.
Khaled A. Gepreel, A. R. Shehata
doaj   +1 more source

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