On a variational approach to existence and multiplicity results for semipositone problems
Costa, David G.
Texas State University-San Marcos, Department of Mathematics
In this paper we present a novel variational approach to the question of existence and multiplicity of positive solutions to semipositone problems in a bounded smooth domain of ℝN. We consider both the sublinear and superlinear cases.
Variational approach, Semipositone problems
Costa, D. G., Tehrani, H., & Yang, J. (2006). On a variational approach to existence and multiplicity results for semipositone problems. <i>Electronic Journal of Differential Equations, 2006</i>(11), pp. 1-10.