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Multiple solutions for semilinear elliptic equations with Neumann boundary condition and jumping nonlinearities

  • Jing Zhang*
  • , Shujie Li
  • , Yuwen Wang
  • , Xiaoping Xue
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Yuan-Yung Tseng Functional Analysis Research Center
  • CAS - Academy of Mathematics and System Sciences

Research output: Contribution to journalArticlepeer-review

Abstract

We obtain nonconstant solutions of semilinear elliptic Neumann boundary value problems with jumping nonlinearities when the asymptotic limits of the nonlinearity fall in the type (Il), l > 2 and (IIl), l ≥ 1 regions formed by the curves of the Fucik spectrum. Furthermore, we have at least two nonconstant solutions in every order interval under resonance case. In this paper, we apply the sub-sup solution method, Fucik spectrum, mountain pass theorem in order intervals, degree theory and Morse theory to get the conclusions.

Original languageEnglish
Pages (from-to)682-690
Number of pages9
JournalJournal of Mathematical Analysis and Applications
Volume371
Issue number2
DOIs
StatePublished - Nov 2010

Keywords

  • Degree theory
  • Fucik spectrum
  • Jumping nonlinearity
  • Morse theory
  • Multiple solutions
  • Neumann boundary condition
  • Semilinear elliptic equations

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