Results 31 to 40 of about 605 (73)

Self-adjointness of a generalized Camassa-Holm equation

open access: yes, 2011
It is well known that the Camassa-Holm equation possesses numerous remarkable properties characteristic for KdV type equations. In this paper we show that it shares one more property with the KdV equation. Namely, Ibragimov has shown that the KdV and the
Ibragimov, N. H.   +2 more
core   +1 more source

Global weak solutions for a generalized Dullin-Gottwald-Holm equation in the space H1(R)

open access: yesBoundary Value Problems, 2014
The existence of global weak solutions of the Cauchy problem for a generalized Dullin-Gottwald-Holm equation is established under the assumption that the initial value u0(x) merely lies in the space H1(R).
S. Lai, Meng Wu
semanticscholar   +2 more sources

The exact solutions of the stochastic Ginzburg–Landau equation

open access: yesResults in Physics, 2021
The main goal of this paper is to obtain the exact solutions of the stochastic real-valued Ginzburg–Landau equation, which is forced by multiplicative noise in the Itô sense.
Wael W. Mohammed   +5 more
doaj  

The investigation of local weak solutions for a generalized Novikov equation

open access: yesJournal of Inequalities and Applications, 2014
The existence of local weak solutions for a generalized Novikov equation is established in the Sobolev space Hs(R) with 1≤s≤32. The pseudo-parabolic regularization technique and several estimates derived from the equation itself are used to prove the ...
S. Lai
semanticscholar   +2 more sources

The initial-value problem for a Gardner-type equation

open access: yesAdvanced Nonlinear Studies
Discussed here is a regularized version(0.1)ut+ux+uux+Au2ux−uxxt=0, $${u}_{t}+{u}_{x}+u{u}_{x}+A{u}^{2}{u}_{x}-{u}_{\mathit{xxt}}=0,$$ of the classical Gardner equationut+ux+uux+Au2ux+uxxx=0, $${u}_{t}+{u}_{x}+u{u}_{x}+A{u}^{2}{u}_{x}+{u}_{\mathit{xxx ...
Bona Jerry   +4 more
doaj   +1 more source

Soliton solution of the osmosis K(2, 2) equation

open access: yes, 2009
In this Letter, by using the bifurcation method of dynamical systems, we obtain the analytic expressions of soliton solution of the osmosis K(2, 2) equation.Comment: 8 ...
Biswas   +10 more
core   +1 more source

The agreement between novel exact and numerical solutions of nonlinear models

open access: yesPartial Differential Equations in Applied Mathematics, 2023
Nonlinear models (NLMs), being an important topic in mathematical physics, have attracted a lot of attention in the international research community because they have numerous uses in human life. These NLMs are typically implemented to illuminate various
Md. Nur Alam, S. M. Rayhanul Islam
doaj  

New nonlinear periodic, solitonic, dissipative waveforms for modified-Kadomstev-Petviashvili-equation in nonthermal positron plasma

open access: yesResults in Physics, 2020
The positron nonthermality contributions on nonlinear wave aspects of periodic solitary, shocklikes, rational, and explosive waves which exists for the critical features depicted by modified KP equation in earths space of regions D and F ionic plasma ...
H.G. Abdelwahed   +1 more
doaj  

Application of scaling invariance approach, P-test and soliton solutions for couple of dynamical models

open access: yesResults in Physics, 2021
In the current article, we will apply the scaling invariance technique to find conservation laws (CLs) for the nonlinear Chiral Schrödinger equation (NLCSE) with variable coefficients and the (2+1)-dimensional Maccari system.
Azhar Bashir   +5 more
doaj  

The equations of some dispersionless limit [PDF]

open access: yes, 1995
This short article presents a table of new equations which can be regarded as the generalized equations of the dispersionless limit of several nonlinear equations.
Son, Seung Hwan
core   +1 more source

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