Results 1 to 10 of about 1,094 (76)

Simulations of fractional time-derivative against proportional time-delay for solving and investigating the generalized perturbed-KdV equation

open access: yesNonlinear Engineering, 2023
In this study, the Caputo-type fractional time-derivative is simulated by inserting a proportional time-delay into the field function of the perturbed-KdV equation.
Alquran Marwan   +3 more
doaj   +1 more source

Traveling wave solutions of the generalized scale-invariant analog of the KdV equation by tanh–coth method

open access: yesNonlinear Engineering, 2023
In this work, the generalized scale-invariant analog of the Korteweg–de Vries equation is studied. For the first time, the tanh–coth methodology is used to find traveling wave solutions for this nonlinear equation.
González-Gaxiola Oswaldo   +1 more
doaj   +1 more source

Global well-posedness of initial-boundary value problem of fifth-order KdV equation posed on finite interval

open access: yesOpen Mathematics, 2023
We have established the existence and uniqueness of the local solution for (0.1)∂tu+∂x5u−u∂xu=0 ...
Zhao Xiangqing   +2 more
doaj   +1 more source

Initial-boundary value problem of fifth-order Korteweg-de Vries equation posed on half line with nonlinear boundary values

open access: yesOpen Mathematics, 2022
In this paper, we study the initial boundary problem of fifth-order Korteweg-de Vries equation with nonlinear boundary values. First, we establish a so-called sharp boundary trace regularity associated with the linearized fifth-order Korteweg-de Vries ...
Zhao Xiangqing   +2 more
doaj   +1 more source

A new blow-up criterion for the N – abc family of Camassa-Holm type equation with both dissipation and dispersion

open access: yesOpen Mathematics, 2020
In this paper, we investigate the Cauchy problem for the N – abc family of Camassa-Holm type equation with both dissipation and dispersion. Furthermore, we establish the blow-up result of the positive solutions in finite time under certain conditions on ...
Zhang Zaiyun   +5 more
doaj   +1 more source

QUASIINVARIANT GAUSSIAN MEASURES FOR ONE-DIMENSIONAL HAMILTONIAN PARTIAL DIFFERENTIAL EQUATIONS

open access: yesForum of Mathematics, Sigma, 2015
We prove the quasiinvariance of Gaussian measures (supported by functions of increasing Sobolev regularity) under the flow of one-dimensional Hamiltonian partial differential equations such as the regularized long wave, also
NIKOLAY TZVETKOV
doaj   +1 more source

Optimal control of a viscous generalized θ-type dispersive equation with weak dissipation

open access: yesOpen Mathematics, 2020
In this paper, we investigate the problem for optimal control of a viscous generalized θ\theta -type dispersive equation (VG θ\theta -type DE) with weak dissipation. First, we prove the existence and uniqueness of weak solution to the equation.
Fan Guobing, Yang Zhifeng
doaj   +1 more source

The exact solutions for the (3+1)-dimensional Boiti-Leon-Manna-Pempinelli equation

open access: yesResults in Physics, 2021
In the paper, we study the Boiti-Leon-Manna-Pempinelli equation with (3 + 1) dimension. By using the modified hyperbolic tangent function method, we obtain more new exact solutions for the (3+1)-dimensional Boiti-Leon-Manna-Pempinelli equation, which ...
Xiaofang Duan, Junliang Lu
doaj   +1 more source

The geometric sense of R. Sasaki connection [PDF]

open access: yes, 2002
For the Riemannian manifold $M^{n}$ two special connections on the sum of the tangent bundle $TM^{n}$ and the trivial one-dimensional bundle are constructed. These connections are flat if and only if the space $M^{n}$ has a constant sectional curvature $\
Alexey V Shchepetilov   +9 more
core   +4 more sources

A LIPSCHITZ METRIC FOR THE CAMASSA–HOLM EQUATION

open access: yesForum of Mathematics, Sigma, 2020
We analyze stability of conservative solutions of the Cauchy problem on the line for the Camassa–Holm (CH) equation. Generically, the solutions of the CH equation develop singularities with steep gradients while preserving continuity of the solution ...
JOSÉ A. CARRILLO   +2 more
doaj   +1 more source

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