The upper and lower solution method for a class of singular nonlinear second order three-point boundary value problems

  • Authors:
  • Zhongxin Zhang;Junyu Wang

  • Affiliations:
  • Institute of Mathematics, Jilin University, Changchun 130021, People's Republic of China;Institute of Mathematics, Jilin University, Changchun 130021, People's Republic of China

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2002

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Abstract

In this paper we develop the upper and lower solution method and the monotone iterative technique for a class of singular nonlinear second order three-point boundary value problems. A maximum principle is established and some new existence results are obtained.