Results 41 to 50 of about 15,655 (167)

Nonpoint Symmetry and Reduction of Nonlinear Evolution and Wave Type Equations

open access: yesAbstract and Applied Analysis, 2015
We study the symmetry reduction of nonlinear partial differential equations with two independent variables. We propose new ansätze reducing nonlinear evolution equations to system of ordinary differential equations.
Ivan Tsyfra, Tomasz Czyżycki
doaj   +1 more source

Nonlinear Boundary Value Problems for Ordinary Differential Equations

open access: yesJournal of Mathematical Analysis and Applications, 1994
A nonlinear vector boundary value problem of the form (1) \(y'= f(x,y)\), (2) \(B(y)= r\) is considered. Results are presented in which it is shown that solutions \(u(x)\) of (1), (2) can be differentiated with respect to the components of \(r\). These partial derivatives are then shown to be solutions of certain linear boundary value problems.
openaire   +2 more sources

Solving nonlinear boundary value problems by the Galerkin method with sinc functions

open access: yesOpen Physics, 2015
In this paper, the sinc-Galerkin method is used for numerically solving a class of nonlinear differential equations with boundary conditions. The importance of this study is that sinc approximation of the nonlinear term is stated as a new theorem.
Alkan Sertan, Secer Aydin
doaj   +1 more source

A note on exp-function method combined with complex transform method applied to fractional differential equations

open access: yesAdvances in Nonlinear Analysis, 2015
In this article, the fractional derivatives in the sense of modified Riemann–Liouville and the exp-function method are used to construct exact solutions for some nonlinear partial fractional differential equations via the nonlinear fractional Liouville ...
Guner Ozkan, Bekir Ahmet, Bilgil Halis
doaj   +1 more source

Transversal homoclinics in nonlinear systems of ordinary differential equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2000
Bifurcation of transversal homoclinics is studied for a pair of ordinary differential equations with periodic perturbations when the first unperturbed equation has a manifold of homoclinic solutions and the second unperturbed equation is vanishing.
Michal Fečkan
doaj   +1 more source

Regarding on the exact solutions for the nonlinear fractional differential equations

open access: yesOpen Physics, 2016
In this work, we have considered the modified simple equation (MSE) method for obtaining exact solutions of nonlinear fractional-order differential equations.
Kaplan Melike   +2 more
doaj   +1 more source

Lie Symmetry Analysis for the SIS Model of Epidemiology

open access: yesProceedings, 2018
A system of three nonlinear ordinary differential ...
Mokiri Nkwana, Jacob Matshwenyego Manale
doaj   +1 more source

Periodic Solution for Nonlinear System of Differential Equations Depending on The Gamma Distribution

open access: yesScience Journal of University of Zakho, 2014
In this paper we study the periodic solution of nonlinear system of differential equations depending on the gamma distribution by using the numerical analytic method to investigate periodic solutions of ordinary differential equation which given by ...
Raad N. Butris
doaj  

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