Results 51 to 60 of about 2,206 (110)

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

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 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 for a boundary value problem involving Riemann–Liouville fractional derivative [PDF]

open access: gold, 2018
Kamel Saoudi   +4 more
openalex   +1 more source

Existence and multiplicity of positive solutions for indefinite semilinear elliptic problems in R^N

open access: yesElectronic Journal of Differential Equations, 2014
In this article, we study a class of indefinite semilinear elliptic problems in R^N. By using the fibering maps and studying some properties of the Nehari manifold, we obtain the existence and multiplicity of positive solutions.
Yi-Hsin Cheng, Tsung-Fang Wu
doaj  

Correction To: Existence Results for Fractional p(x, .)-Laplacian Problem Via the Nehari Manifold Approach [PDF]

open access: bronze, 2020
Elhoussine Azroul   +3 more
openalex   +1 more source

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