## Differential and Integral Equations

### An optimization problem for the first Steklov eigenvalue of a nonlinear problem

#### Abstract

In this paper we study the first (nonlinear) Steklov eigenvalue, $\lambda$, of the following problem: $-\Delta_{p}u + |u|^{p-2}u + \alpha\phi|u|^{p-2}u = 0$ in a bounded smooth domain $\Omega$ with $|\nabla u|^{p-2}\frac{\partial u}{\partial \nu} = \lambda |u|^{p-2}u$ on the boundary $\partial\Omega$. We analyze the dependence of this first eigenvalue with respect to the weight $\phi$ and with respect to the parameter $\alpha$. We prove that for fixed $\alpha$ there exists an optimal $\phi_\alpha$ that minimizes $\lambda$ in the class of uniformly bounded measurable functions with fixed integral. Next, we study the limit of these minima as the parameter $\alpha$ goes to infinity and we find that the limit is the first Steklov eigenvalue in the domain with a hole where the eigenfunctions vanish.

#### Article information

Source
Differential Integral Equations, Volume 19, Number 9 (2006), 1035-1046.

Dates
First available in Project Euclid: 21 December 2012

Permanent link to this document
https://projecteuclid.org/euclid.die/1356050331

Mathematical Reviews number (MathSciNet)
MR2262095

Zentralblatt MATH identifier
1212.35339

#### Citation

Del Pezzo, Leandro; Fernández Bonder, Julián; Rossi, Julio D. An optimization problem for the first Steklov eigenvalue of a nonlinear problem. Differential Integral Equations 19 (2006), no. 9, 1035--1046. https://projecteuclid.org/euclid.die/1356050331