Infinitely Many Solutions for a Semilinear Elliptic Equation with Sign-Changing Potential
School of Mathematics and Computer Sciences, Fujian Normal University, Fuzhou 350007, China
Boundary Value Problems 2009, 2009:532546 doi:10.1155/2009/532546Published: 16 June 2009
We consider a similinear elliptic equation with sign-changing potential , , where is a function possibly changing sign in . Under certain assumptions on , we prove that the equation has infinitely many solutions.