Differential and Integral Equations

Multiple positive solutions for a quasilinear elliptic equation in $\mathbb {R}^N$

Zhaosheng Feng, Zuodong Yang, and Honghui Yin

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In this paper, by means of the extraction of the Palais--Smale sequence in the Nehari manifold, we are concerned with the existence of multiple positive solutions of a class of the p-Laplacian equations involving concave-convex nonlinearities $$\left\{ \begin{array}{ll} -\triangle_p u+|u|^{p-2}u=a(x)|u|^{s-2}u +\lambda b(x)|u|^{r-2}u,\;\;\; x\in {\mathbb R}^N,\\ u\in W^{1,p}({\mathbb R}^N), \end{array} \right.$$ in the whole space ${\mathbb R}^N,$ where $\lambda$ is a positive constant, $1\leq r < p < s < p^*=\frac{Np}{N-p}$, and $a(x)$ and $b(x)$ are nonnegative continuous functions in ${\mathbb R}^N.$

Article information

Differential Integral Equations, Volume 25, Number 9/10 (2012), 977-992.

First available in Project Euclid: 20 December 2012

Permanent link to this document

Mathematical Reviews number (MathSciNet)

Zentralblatt MATH identifier

Primary: 35J62: Quasilinear elliptic equations 35B09: Positive solutions 35J91: Semilinear elliptic equations with Laplacian, bi-Laplacian or poly- Laplacian


Yin, Honghui; Yang, Zuodong; Feng, Zhaosheng. Multiple positive solutions for a quasilinear elliptic equation in $\mathbb {R}^N$. Differential Integral Equations 25 (2012), no. 9/10, 977--992. https://projecteuclid.org/euclid.die/1356012378

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