Results 31 to 40 of about 8,918 (208)

Homoclinic Solutions for a Class of the Second-Order Impulsive Hamiltonian Systems

open access: yesAbstract and Applied Analysis, 2013
This paper is concerned with the existence of homoclinic solutions for a class of the second order impulsive Hamiltonian systems. By employing the Mountain Pass Theorem, we demonstrate that the limit of a 2kT-periodic approximation solution is a ...
Jingli Xie, Zhiguo Luo, Guoping Chen
doaj   +1 more source

Breathers in inhomogeneous nonlinear lattices: an analysis via centre manifold reduction [PDF]

open access: yes, 2007
We consider an infinite chain of particles linearly coupled to their nearest neighbours and subject to an anharmonic local potential. The chain is assumed weakly inhomogeneous. We look for small amplitude discrete breathers.
Bernardo Sánchez-rey B   +3 more
core   +5 more sources

Homoclinic Solutions for Fourth Order Traveling Wave Equations [PDF]

open access: yesSIAM Journal on Mathematical Analysis, 2009
We consider homoclinic solutions of fourth order equations $$ u^{""} + ^2 u^{"} + V_u (u)=0 {in} \R ,$$ where $V(u)$ is either the suspension bridge type $V(u)=e^u-1-u$ or Swift-Hohenberg type $ V(u)= {1/4}(u^2-1)^2$. For the suspension bridge type equation, we prove existence of a homoclinic solution for {\em all} $ \in (0, _*)$ where $ _ ...
Santra, Sanjiban, Wei, Juncheng
openaire   +2 more sources

Rogue Wave for the (3+1)-Dimensional Yu-Toda-Sasa-Fukuyama Equation

open access: yesAbstract and Applied Analysis, 2014
A new method, homoclinic (heteroclinic) breather limit method (HBLM), for seeking rogue wave solution to nonlinear evolution equation (NEE) is proposed.
Hanlin Chen, Zhenhui Xu, Zhengde Dai
doaj   +1 more source

Homoclinic Solutions of Hamiltonian Systems with Symmetry

open access: yesJournal of Differential Equations, 1999
Consider a Hamiltonian system with a Hamiltonian of the following form: \[ H(z,t)=\tfrac{1}{2}Az\cdot z+F(z,t). \] The authors show that if (i) the spectrum of the matrix \(JA\) (where \(J\) is the standard symplectic matrix) does not intersect the imaginary axis; (ii) \(F\) is invariant under the action of a compact Lie group; and (iii) \(F\) is ...
ARIOLI, GIANNI, A. Szulkin
openaire   +2 more sources

Existence and uniqueness of positive even homoclinic solutions for second order differential equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2019
This paper is concerned with the existence of positive even homoclinic solutions for the $p$-Laplacian equation \begin{equation*} (|u'|^{p-2}u')' - a(t)|u|^{p-2}u+f(t,u)=0,\qquad t\in \mathbb{R}, \end{equation*} where $p\ge 2$ and the functions $a ...
Adel Daouas, Monia Boujlida
doaj   +1 more source

Homoclinic standing waves in focussing DNLS equations --Variational approach via constrained optimization [PDF]

open access: yes, 2011
We study focussing discrete nonlinear Schr\"{o}dinger equations and present a new variational existence proof for homoclinic standing waves (bright solitons).
A. Khare   +30 more
core   +1 more source

Homoclinic Solutions for a Second-Order Nonperiodic Asymptotically Linear Hamiltonian Systems

open access: yesAbstract and Applied Analysis, 2013
We establish a new existence result on homoclinic solutions for a second-order nonperiodic Hamiltonian systems. This homoclinic solution is obtained as a limit of solutions of a certain sequence of nil-boundary value problems which are obtained by the ...
Qiang Zheng
doaj   +1 more source

On Existence of Infinitely Many Homoclinic Solutions

open access: yesMonatshefte f�r Mathematik, 2000
Using the concept of an isolating segment, some sufficient conditions for the existence of homoclinic solutions to nonautonomous ODEs are obtained. As an application it is shown that for all sufficiently small \(\varepsilon >0\) there exist infinitely many geometrically distinct solutions homoclinic to the trivial solution \(z=0\) to the equation ...
Wójcik, Klaudiusz, Zgliczyński, Piotr
openaire   +2 more sources

Multiple homoclinic solutions for a one-dimensional Schrödinger equation [PDF]

open access: yesDiscrete & Continuous Dynamical Systems - S, 2016
This paper is dedicated to the study of the problem of existence of homoclinic solutions to a Schrödinger equation of the form \[ x''-V(t)x+x^3=0,\eqno{(1)} \] where \(V:\mathbb R\to\mathbb R\) is a \(L^1\)-function.
DAMBROSIO, Walter, D. Papini
openaire   +3 more sources

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