Well-posedness and blow-up solutions for an integrable nonlinearly dispersive model wave equation

YA Li, PJ Olver - Journal of Differential Equations, 2000 - Elsevier
We establish local well-posedness in the Sobolev space Hs with any s> 3 2 for an integrable
nonlinearly dispersive wave equation arising as a model for shallow water waves known as …

The Cauchy problem for the generalized IMBq equation in Ws, p (Rn)

S Wang, G Chen - Journal of mathematical analysis and applications, 2002 - Elsevier
In this paper, the existence and the uniqueness of the global strong solution and the global
classical solution for the Cauchy problem of the multidimensional generalized IMBq …

Global existence and blow up of solutions for Cauchy problem of generalized Boussinesq equation

Y Liu, R Xu - Physica D: Nonlinear Phenomena, 2008 - Elsevier
We study the Cauchy problem of generalized Boussinesq equation [Formula: see text],
where f (u)=±| u| p or±| u| p− 1u, p> 1. By introducing a family of potential wells we obtain …

[PDF][PDF] Linear instability of solitary waves of a Boussinesq-type equation: a computer assisted computation

JC Alexander, R Sachs - Nonlinear World, 1995 - researchgate.net
The nonlinear dispersive partial differential equation utt= uxx− uxxxx−(u2) xx(1. 1) is
sometimes known as the “good” Boussinesq equation since it agrees with the classical …

Sharper criteria for the wave collapse

EA Kuznetsov, JJ Rasmussen, K Rypdal… - Physica D: Nonlinear …, 1995 - Elsevier
Sharper criteria for three-dimensional wave collapse described by the Nonlinear
Schrödinger Equation (NLSE) are derived. The collapse threshold corresponds to the …

Existance and Uniqueness for Boussinesq type equations on a circle

Y Fang, MG Grillakis - Communications in Partial Differential …, 1996 - Taylor & Francis
Existance and Uniqueness for Boussinesq type equations on a circle Page 1 COMMUN. IN
PARTIAL DIFFERENTIAL EQUATIONS, 2 1(7&8), 1253-1277 (1996) EXISTENCE AND …

Sharp local well-posedness for the “good” Boussinesq equation

N Kishimoto - Journal of Differential Equations, 2013 - Elsevier
In the present article, we prove the sharp local well-posedness and ill-posedness results for
the “good” Boussinesq equation on 1d torus; the initial value problem is locally well-posed in …

Spectrally accurate energy‐preserving methods for the numerical solution of the “good” Boussinesq equation

L Brugnano, G Gurioli, C Zhang - Numerical Methods for Partial …, 2019 - Wiley Online Library
In this paper we study the geometric numerical solution of the so called “good” Boussinesq
equation. This goal is achieved by using a convenient space semi‐discretization, able to …

Global solution for a generalized Boussinesq equation

S Wang, H Xue - Applied mathematics and computation, 2008 - Elsevier
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Dispersion of discontinuous periodic waves

G Chen, PJ Olver - Proceedings of the Royal Society A …, 2013 - royalsocietypublishing.org
The dynamic evolution of linearly dispersive waves on periodic domains with discontinuous
initial profiles is shown to depend remarkedly upon the asymptotics of the dispersion relation …