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In this work an extended elliptic function method is proposed and applied to the generalized shallow water wave equation. We systematically investigate to classify new exact travelling wave solutions expressible in terms of quasi-periodic…

Exactly Solvable and Integrable Systems · Physics 2015-05-18 Bijan Bagchi , Supratim Das , Asish Ganguly

Traveling modulating pulse solutions consist of a small amplitude pulse-like envelope moving with a constant speed and modulating a harmonic carrier wave. Such solutions can be approximated by solitons of an effective nonlinear Schrodinger…

Analysis of PDEs · Mathematics 2024-03-07 Tomas Dohnal , Dmitry E. Pelinovsky , Guido Schneider

We discuss the application of a variant of the method of simplest equation for obtaining exact traveling wave solutions of a class of nonlinear partial differential equations containing polynomial nonlinearities. As simplest equation we use…

Exactly Solvable and Integrable Systems · Physics 2015-07-17 Nikolay K. Vitanov , Zlatinka I. Dimitrova , Kaloyan N. Vitanov

We study the existence and stability of periodic traveling-wave solutions for the quadratic and cubic nonlinear Schr\"odinger equations in one space dimension.

Exactly Solvable and Integrable Systems · Physics 2011-12-20 Sevdzhan Hakkaev , Iliya D. Iliev , Kiril Kirchev

A class of particular travelling wave solutions of the generalized Benjamin-Bona-Mahony equation is studied systematically using the factorization technique. Then, the general travelling wave solutions of Benjamin-Bona-Mahony equation, and…

Exactly Solvable and Integrable Systems · Physics 2007-09-17 P. G. Estevez , S. Kuru , J. Negro , L. M. Nieto

Ostrovsky's equation with time- and space- dependent forcing is studied. This equation is model for long waves in a rotating fluid with a non-constant depth (topography). A classification of Lie point symmetries and low-order conservation…

Mathematical Physics · Physics 2022-02-22 Stephen C. Anco , Maria Gandarias

The use of operator methods of algebraic nature is shown to be a very powerful tool to deal with different forms of relativistic wave equations. The methods provide either exact or approximate solutions for various forms of differential…

Mathematical Physics · Physics 2015-06-23 G. Dattoli , E. Sabia , K. Górska , A. Horzela , K. A. Penson

Existence and bifurcation results are derived for quasi periodic traveling waves of discrete nonlinear Schrodinger equations with nonlocal interactions and with polynomial type potentials. Variational tools are used. Several concrete…

Pattern Formation and Solitons · Physics 2009-09-11 Michal Feckan , Vassilis Rothos

We study travelling wave solutions of a 1D continuum model for collective cell migration in which cells are characterised by position and polarity. Four different types of travelling wave solutions are identified which represent…

Dynamical Systems · Mathematics 2025-09-12 Nizhum Rahman , Robert Marangell , Dietmar Oelz

We consider solutions of a scalar reaction-diffusion equation of the ignition type with a random, stationary and ergodic reaction rate. We show that solutions of the Cauchy problem spread with a deterministic rate in the long time limit. We…

Analysis of PDEs · Mathematics 2007-10-10 James Nolen , Lenya Ryzhik

It is well known that the existence of traveling wave solutions (TWS) for many partial differential equations (PDE) is a consequence of the fact that an associated planar ordinary differential equation (ODE) has certain types of solutions…

Analysis of PDEs · Mathematics 2021-05-18 Armengol Gasull , Anna Geyer , Víctor Mañosa

For a class of scalar partial differential equations that incorporate convection, diffusion, and possibly dispersion in one space and one time dimension, the stability of traveling wave solutions is investigated. If the initial perturbation…

Analysis of PDEs · Mathematics 2007-05-23 Hans Engler

Lucas and Moll have proposed a system of forward-backward partial differential equations that model knowledge diffusion and economic growth. It arises from a microscopic model of learning for a mean-field type interacting system of…

Analysis of PDEs · Mathematics 2021-09-22 George Papanicolaou , Lenya Ryzhik , Katerina Velcheva

We consider discrete nonlinear Schr\"odinger equations of n sites with periodic boundary conditions. These equations have n branches of standing waves that bifurcate from zero. Traveling waves appear as a symmetry-breaking from the standing…

Dynamical Systems · Mathematics 2016-04-27 Carlos García-Azpeitia

In nonlinear dispersive evolution equations, the competing effects of nonlinearity and dispersion make a number of interesting phenomena possible. In the current work, the focus is on the numerical approximation of traveling-wave solutions…

Numerical Analysis · Mathematics 2017-03-21 Henrik Kalisch , Daulet Moldabayev , Olivier Verdier

We apply the version of the method of simplest equation called modified method of simplest equation for obtaining exact traveling wave solutions of a class of equations that contain as particular case a nonlinear PDE that models shallow…

Exactly Solvable and Integrable Systems · Physics 2017-09-18 Nikolay K. Vitanov , Tsvetelina I. Ivanova

The purpose of this work is to introduce a concept of traveling waves in the setting of periodic metric graphs. It is known that the nonlinear Schr{\"o}dinger (NLS) equation on periodic metric graphs can be reduced asymptotically on long…

Analysis of PDEs · Mathematics 2025-05-07 Stefan Le Coz , Dmitry E. Pelinovsky , Guido Schneider

We consider reaction-diffusion equations that are stochastically forced by a small multiplicative noise term. We show that spectrally stable travelling wave solutions to the deterministic system retain their orbital stability if the…

Analysis of PDEs · Mathematics 2020-03-09 C. H. S. Hamster , H. J. Hupkes

We consider in this paper travelling wave solutions to stochastic partial differential equations and corresponding wave speed. As a particular example we consider the Nagumo equation with multiplicative noise which we mainly consider in the…

Numerical Analysis · Mathematics 2015-03-17 G. J. Lord , V. Thuemmler

We introduce the concept of soliton solutions of integrable nonlinear partial differential equations and point out that the inverse spectral method represents the rigorous mathematical formalism to construct such solutions. We work with the…

Mathematical Physics · Physics 2025-08-27 Supriya Chatterjee , Pranab Sarkar , Benoy Talukdar