Results 71 to 80 of about 740 (152)

A Note on the Minimal Period Problem for Second Order Hamiltonian Systems

open access: yesAbstract and Applied Analysis, 2014
We study periodic solutions of second order Hamiltonian systems with even potential. By making use of generalized Nehari manifold, some sufficient conditions are obtained to guarantee the multiplicity and minimality of periodic solutions for second order
Huafeng Xiao
doaj   +1 more source

Multiplicity of positive solutions for a Navier boundary-value problem involving the p-biharmonic with critical exponent

open access: yesElectronic Journal of Differential Equations, 2011
By using the Nehari manifold and variational methods, we prove that a p-biharmonic system has at least two positive solutions when the pair the parameters satisfy certain inequality.
Ying Shen, Jihui Zhang
doaj  

Multiplicity of positive solutions for critical singular elliptic systems with sign-changing weight function

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2012
In this paper, the existence and multiplicity of positive solutions for a critical singular elliptic system with concave and convex nonlinearity and sign-changing weight function, are established.
Huixing Zhang
doaj   +1 more source

Nehari manifold and multiplicity result for elliptic equation involving p-laplacian problems

open access: yesBoletim da Sociedade Paranaense de Matemática, 2018
This article shows the existence and multiplicity of positive solutions of the $p$-Laplacien problem $$\displaystyle -\Delta_{p} u=\frac{1}{p^{\ast}}\frac{\partial F(x,u)}{\partial u} + \lambda a(x)|u|^{q-2}u \quad \mbox{for } x\in\Omega;\quad \quad u=0,\quad \mbox{for } x\in\partial\Omega$$ where $\Omega$ is a bounded open set in $\mathbb{R}^n$ with ...
Khaled Ben Ali, Abdeljabbar Ghanmi
openaire   +4 more sources

Nehari manifold approach for fractional Kirchhoff problems with extremal value of the parameter

open access: yes, 2023
In this work we study the following nonlocal problem \begin{equation*} \left\{ \begin{aligned} M(\|u\|^2_X)(-\Delta)^s u&= \lambda {f(x)}|u|^{\gamma-2}u+{g(x)}|u|^{p-2}u &&\mbox{in}\ \ \Omega, u&=0 &&\mbox{on}\ \ \mathbb R^N\setminus \Omega, \
Tripathi, V. M., Mishra, P. K.
core  

Existence of Solutions for Nonhomogeneous Choquard Equations Involving p-Laplacian

open access: yesMathematics, 2019
This paper is devoted to investigating a class of nonhomogeneous Choquard equations with perturbation involving p-Laplacian. Under suitable hypotheses about the perturbation term, the existence of at least two nontrivial solutions for the given problems ...
Xiaoyan Shi, Yulin Zhao, Haibo Chen
doaj   +1 more source

Existence of critical points of functionals defined in Banach spaces by method of Nehari manifold

open access: yes, 2020
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESIn this work we present a unified approach about the method of Nehari manifold for functionals which have a local minimum at 0 and we do some examples where this method is applied in ...
Sanches, Juliana Mancini
core  

Multiplicity of Positive Solutions of laplacian systems with sign-changing weight functions

open access: yesSahand Communications in Mathematical Analysis, 2014
In this paper, we study the multiplicity of positive solutions for the Laplacian systems with sign-changing weight functions. Using the decomposition of the Nehari manifold, we prove that an elliptic system has at least two positive solutions.
Seyyed Sadegh Kazemipoor   +1 more
doaj  

Solitary Waves of the Schrödinger Lattice System with Nonlinear Hopping

open access: yesJournal of Function Spaces, 2015
This paper is concerned with the nonlinear Schrödinger lattice with nonlinear hopping. Via variation approach and the Nehari manifold argument, we obtain two types of solution: periodic ground state and localized ground state.
Ming Cheng
doaj   +1 more source

The Nehari manifold approach for $p(x)$-Laplacian problem with Neumann boundary condition

open access: yes, 2013
In this paper, we consider the system \begin{eqnarray*} \left\{\begin{array}{ll} -\Delta_{p(x)} u + |u|^{p(x)-2}u = \lambda a(x)|u|^{r_1(x)-2}u + \frac{\alpha(x)}{\alpha(x) + \beta(x)} c(x)|u|^{\alpha(x)-2}u|v|^{\beta(x)} &~\textrm{in}~\Omega\\ -
Taghavi, A.   +5 more
core   +1 more source

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