Electronic Journal of Differential Equations (Jan 2006)

On a variational approach to existence and multiplicity results for semipositone problems

  • David G. Costa,
  • Hossein Tehrani,
  • Jianfu Yang

Journal volume & issue
Vol. 2006, no. 11
pp. 1 – 10

Abstract

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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 $mathbb{R}^N$. We consider both the sublinear and superlinear cases.

Keywords