Boundary Value Problems (Jan 2008)
Existence Result for a Class of Elliptic Systems with Indefinite Weights in <inline-formula> <graphic file="1687-2770-2008-217636-i1.gif"/></inline-formula>
Abstract
We obtain the existence of a nontrivial solution for a class of subcritical elliptic systems with indefinite weights in . The proofs base on Trudinger-Moser inequality and a generalized linking theorem introduced by Kryszewski and Szulkin.