Results 1 to 10 of about 549 (46)

Solutions of the perturbed KdV equation for convecting fluids by factorizations

open access: yesOpen Physics, 2010
In this paper, we obtain some new explicit travelling wave solutions of the perturbed KdV equation through recent factorization techniques that can be performed when the coefficients of the equation fulfill a certain condition. The solutions are obtained
Cornejo-Pérez Octavio, Rosu Haret
doaj   +2 more sources

A novel analytical method for solving (2+1)- dimensional extended Calogero-Bogoyavlenskii-Schiff equation in plasma physics

open access: yesJournal of Ocean Engineering and Science, 2021
In this paper, the new travelling wave solutions of the (2+1)-dimensional extended Calogero-Bogoyavlenskii-Schiff (ECBS) equation are investigated. The main aim of this work is to find the new exact solutions with the aid of relatively new (G′G′+G+A ...
A. Tripathy, S. Sahoo
doaj   +1 more source

Integrable systems and modular forms of level 2 [PDF]

open access: yes, 2006
A set of nonlinear differential equations associated with the Eisenstein series of the congruent subgroup $\Gamma_0(2)$ of the modular group $SL_2(\mathbb{Z})$ is constructed. These nonlinear equations are analogues of the well known Ramanujan equations,
Ablowitz, Mark J   +2 more
core   +2 more sources

On the MAF solution of the uniformly lengthening pendulum via change of independent variable in the Bessel’s equation

open access: yesResults in Physics, 2017
Common recipe for the Lengthening Pendulum (LP) involves some change of variables to give a relationship with the Bessel’s equation. In this work, semiclassical MAF (Modified Airy Function) solution of the LP is being obtained by first transforming the ...
Coşkun Deniz
doaj   +1 more source

Baryon asymmetry at the weak phase transition in presence of arbitrary CP violation [PDF]

open access: yes, 1997
We consider interactions of fermions with the domain wall bubbles produced during a first order phase transition. A new exact solution of the Dirac equations is obtained for a wall profile incorporating a position dependent CP violating phase.
Torrente-Lujan, Emilio
core   +2 more sources

On the solutions of electrohydrodynamic flow with fractional differential equations by reproducing kernel method

open access: yesOpen Physics, 2016
In this manuscript we investigate electrodynamic flow. For several values of the intimate parameters we proved that the approximate solution depends on a reproducing kernel model.
Akgül Ali   +3 more
doaj   +1 more source

Hamiltonian formulation and integrability of a complex symmetric nonlinear system [PDF]

open access: yes, 2005
The integrability of a complex generalisation of the 'elegant' system, proposed by D. Fairlie and its relation to the Nahm equation and the Manakov top is discussed.Comment: 8 pages, Physics Letters A ...
Ivanov, Rossen I.
core   +3 more sources

Transform of Riccati equation of constant coefficients through fractional procedure [PDF]

open access: yes, 2003
We use a particular fractional generalization of the ordinary differential equations that we apply to the Riccati equation of constant coefficients. By this means the latter is transformed into a modified Riccati equation with the free term expressed as ...
A L Madue o   +8 more
core   +2 more sources

On the fractional differential equations with not instantaneous impulses

open access: yesOpen Physics, 2016
Based on some previous works, an equivalent equations is obtained for the differential equations of fractional-orderq ∈(1, 2) with non-instantaneous impulses, which shows that there exists the general solution for this impulsive fractional-order systems.
Zhang Xianmin   +5 more
doaj   +1 more source

Non-Integrability and Chaos in Classical Cosmology [PDF]

open access: yes, 1997
A brief analysis of the dynamics of a Friedmann-Robertson-Walker universe with a conformally coupled, real, self-interacting, massive scalar field, based on the Painleve theory of differential equations, is presented.
Ablowitz   +30 more
core   +2 more sources

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