Results 51 to 60 of about 1,192 (101)

Schrodinger equation with critical Sobolev exponent [PDF]

open access: yesarXiv, 2004
In this paper we study the existence of solutions and their concentration phenomena of a singularly perturbed semilinear Schrodinger equation with the presence of the critical Sobolev exponent.
arxiv  

A note on the Neumann problem [PDF]

open access: yesarXiv, 2009
In this paper we provide an application to the Neumann problem of a recent three critical points theorem.
arxiv  

On the Dirichlet Problem Generated by the Maz'ya--Sobolev Inequality [PDF]

open access: yesarXiv, 2011
We discuss the attainability of sharp constants for the Maz'ya--Sobolev inequalities in wedges, "perturbed" wedges and bounded domains.
arxiv  

Symmetry of Traveling Wave Solutions to the Allen-Cahn Equation in $\Er^2$ [PDF]

open access: yes, 2011
In this paper, we prove even symmetry of monotone traveling wave solutions to the balanced Allen-Cahn equation in the entire plane. Related results for the unbalanced Allen-Cahn equation are also discussed.
arxiv   +1 more source

Perturbation results for some nonlinear equations involving fractional operators [PDF]

open access: yesarXiv, 2012
By using a perturbation technique in critical point theory, we prove the existence of solutions for two types of nonlinear equations involving fractional differential operators.
arxiv  

Multiplicity of positive solutions for a critical quasilinear Neumann problem [PDF]

open access: yesarXiv, 2016
We establish the multiplicity of positive solutions to a quasilinear Neumann problem in expanding balls and hemispheres with critical exponent in the boundary condition.
arxiv  

Existence results for nonlinear elliptic problems on fractal domains

open access: yesAdvances in Nonlinear Analysis, 2016
Some existence results for a parametric Dirichlet problem defined on the Sierpiński fractal are proved. More precisely, a critical point result for differentiable functionals is exploited in order to prove the existence of a well-determined open interval
Ferrara Massimiliano   +2 more
doaj   +1 more source

(p,2)-equations asymmetric at both zero and infinity

open access: yesAdvances in Nonlinear Analysis, 2018
We consider a (p,2){(p,2)}-equation, that is, a nonlinear nonhomogeneous elliptic equation driven by the sum of a p-Laplacian and a Laplacian with p>2{p>2}.
Papageorgiou Nikolaos S.   +2 more
doaj   +1 more source

Semiclassical limit for nonlinear Schroedinger equations with electromagnetic fields [PDF]

open access: yesarXiv, 2001
We prove some multiplicity results by means of a perturbation technique in critical point theory.
arxiv  

Ground state solutions for nonlinear fractional Schrödinger equations in $\mathbb{R}^N$ [PDF]

open access: yes, 2012
We construct solutions to a class of Schr\"{o}dinger equations involving the fractional laplacian. Our approach is variational in nature, and based on minimization on the Nehari manifold.
arxiv   +1 more source

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