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  • Research Article
  • Open Access

On the existence of minimal and maximal solutions of discontinuous functional Sturm-Liouville boundary value problems

Journal of Inequalities and Applications20052005:317549

  • Received: 9 October 2003
  • Published:


We apply a fixed point result for multifunctions to derive existence results for boundary value problems of Sturm-Liouville differential equations with nonlinearities that may involve discontinuous and functional dependencies.

Authors’ Affiliations

Martin-Luther-Universität Halle-Wittenberg, Fachbereich Mathematik und Informatik, Institut für Analysis, Halle, 06099, Germany
Department of Mathematical Sciences, University of Oulu, P.O. Box 3000, Oulu, 90014, Finland


© Carl and Heikkilä. 2005