On sequences of large solutions for discrete anisotropic equations

In this paper, we determine a concrete interval of positive parameters $\lambda$, for which we prove the existence of infinitely many solutions for an anisotropic discrete Dirichlet problem \begin{align*} -\Delta\left( \alpha\left( k\right) |\Delta u(k-1)|^{p(k-1)-2}\Delta u(k-1)\right) =\lambda...

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Bibliographic Details
Main Author: Robert Stegliński
Format: Article
Language:English
Published: University of Szeged 2015-05-01
Series:Electronic Journal of Qualitative Theory of Differential Equations
Subjects:
Online Access:http://www.math.u-szeged.hu/ejqtde/periodica.html?periodica=1&paramtipus_ertek=publication&param_ertek=3680
Description
Summary:In this paper, we determine a concrete interval of positive parameters $\lambda$, for which we prove the existence of infinitely many solutions for an anisotropic discrete Dirichlet problem \begin{align*} -\Delta\left( \alpha\left( k\right) |\Delta u(k-1)|^{p(k-1)-2}\Delta u(k-1)\right) =\lambda f(k,u(k)),\quad k\in \mathbb{Z} \lbrack1,T], \end{align*} where the nonlinear term $f: \mathbb{Z} \lbrack1,T]\times \mathbb{R}\rightarrow\mathbb{R}$ has an appropriate behavior at infinity, without any symmetry assumptions. The approach is based on critical point theory.
ISSN:1417-3875