Results 91 to 100 of about 521 (162)

Ground state solutions for asymptotically periodic Schrodinger-Poisson systems in R^2

open access: yesElectronic Journal of Differential Equations, 2018
This article concerns the planar Schrodinger-Poisson system $$\displaylines{ -\Delta u+V(x)u+\phi u=f(x,u), \quad x\in \mathbb{R}^2,\cr \Delta \phi= u^2, \quad x\in \mathbb{R}^2, } $$ where V(x) and f(x, u) are periodic or asymptotically periodic in
Jing Chen, Sitong Chen, Xianhua Tang
doaj  

Multiple positive solutions for a critical elliptic problem with concave and convex nonlinearities

open access: yesElectronic Journal of Differential Equations, 2014
In this article, we study the multiplicity of positive solutions for a semi-linear elliptic problem involving critical Sobolev exponent and concave-convex nonlinearities. With the help of Nehari manifold and Ljusternik-Schnirelmann category, we prove
Haining Fan
doaj  

Multiple positive solutions for degenerate elliptic equations with critical cone Sobolev exponents on singular manifolds

open access: yesElectronic Journal of Differential Equations, 2013
In this article, we show the existence of multiple positive solutions to a class of degenerate elliptic equations involving critical cone Sobolev exponent and sign-changing weight function on singular manifolds with the help of category theory and the
Haining Fan, Xiaochun Liu
doaj  

Quasilinear asymptotically linear Schrodinger problem R^N without monotonicity

open access: yesElectronic Journal of Differential Equations, 2018
We establish existence and non-existence results for a quasilinear asymptotically linear Schrodinger problem. In the first result, we prove that a minimization problem constrained to the Pohozaev manifold is not achieved.
Olimpio H. Miyagaki   +2 more
doaj  

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