Results 31 to 40 of about 690 (102)

Rotationally invariant periodic solutions of semilinear wave equations

open access: yesAbstract and Applied Analysis, Volume 3, Issue 1-2, Page 171-180, 1998., 1998
Under suitable conditions we are able to solve the semilinear wave equation in any dimension. We are also able to compute the essential spectrum of the linear wave operator for the rotationally invariant periodic case.
Martin Schechter
wiley   +1 more source

Leray-Schauder’s solution for a nonlocal problem in a fractional Orlicz-Sobolev space

open access: yesMoroccan Journal of Pure and Applied Analysis, 2020
Via Leray-Schauder’s nonlinear alternative, we obtain the existence of a weak solution for a nonlocal problem driven by an operator of elliptic type in a fractional Orlicz-Sobolev space, with homogeneous Dirichlet boundary conditions.
Boumazourh Athmane, Srati Mohammed
doaj   +1 more source

Existence and multiplicity results for fractional p(x)-Laplacian Dirichlet problem

open access: yesMoroccan Journal of Pure and Applied Analysis, 2022
In this paper, we study a class of fractional p(x)-Laplacian Dirichlet problems in a bounded domain with Lipschitz boundary. Using variational methods, we prove in different situations the existence and multiplicity of solutions.
Chakrone O.   +3 more
doaj   +1 more source

Homological local linking

open access: yesAbstract and Applied Analysis, Volume 3, Issue 1-2, Page 181-189, 1998., 1998
We generalize the notion of local linking to include certain cases where the functional does not have a local splitting near the origin. Applications to second‐order Hamiltonian systems are given.
Kanishka Perera
wiley   +1 more source

Eigencurves of the p(·)-Biharmonic operator with a Hardy-type term

open access: yesMoroccan Journal of Pure and Applied Analysis, 2020
This paper is devoted to the study of the homogeneous Dirichlet problem for a singular nonlinear equation which involves the p(·)-biharmonic operator and a Hardy-type term that depend on the solution and with a parameter λ.
Laghzal Mohamed   +3 more
doaj   +1 more source

Multiple solutions for Neumann systems in an Orlicz-Sobolev space setting

open access: yes, 2017
In this paper, the authors improve some results on the existence of at least three weak solutions for non-homogeneous systems. The proof of the main result relies on a recent variational principle due to Ricceri.
G. Afrouzi, J. Graef, S. Shokooh
semanticscholar   +1 more source

Critical groups of critical points produced by local linking with applications

open access: yesAbstract and Applied Analysis, Volume 3, Issue 3-4, Page 437-446, 1998., 1998
We prove the existence of nontrivial critical points with nontrivial critical groups for functionals with a local linking at 0. Applications to elliptic boundary value problems are given.
Kanishka Perera
wiley   +1 more source

Ground states and multiple solutions for Hamiltonian elliptic system with gradient term

open access: yesAdvances in Nonlinear Analysis, 2020
This paper is concerned with the following nonlinear Hamiltonian elliptic system with gradient ...
Zhang Wen, Zhang Jian, Mi Heilong
doaj   +1 more source

Multiple nontrivial solutions of superlinear fractional Laplace equations without (AR) condition

open access: yesAdvances in Nonlinear Analysis, 2023
In this article, we study a class of nonlinear fractional Laplace problems with a parameter and superlinear nonlinearity (−Δ)su=λu+f(x,u),inΩ,u=0,inRN\Ω.\left\{\phantom{\rule[-1.25em]{}{0ex}}\begin{array}{ll}{\left(-\Delta )}^{s}u=\lambda u+f\left(x,u ...
Zhao Leiga, Cai Hongrui, Chen Yutong
doaj   +1 more source

Infinitely many homoclinic orbits for a class of discrete Hamiltonian systems

open access: yes, 2013
In the present paper, we deal with the existence of infinitely many homoclinic solutions for the second-order self-adjoint discrete Hamiltonian system △[p(n)△u(n−1)]−L(n)u(n)+∇W(n,u(n))=0, where p(n) and L(n) are N×N real symmetric matrices for all n∈Z,
Xianhua Tang, J. Chen
semanticscholar   +1 more source

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