Generalized KKM type theorems in FC-spaces with applications (II)

  • Authors:

  • Xie Ping Ding

  • Affiliations:

  • College of Mathematics and Software Science, Sichuan Normal University, Chengdu, P. R. China 610066

  • Venue:
  • Journal of Global Optimization
  • Year:
  • 2007

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Abstract

This paper is a continuum of the preceding paper of author. By applying a coincidence theorem in noncompact FC-space without any convexity structure due to author, a new KKM type theorem is first proved under noncompact setting of FC-spaces. The equivalent relation between the coincidence theorem and the KKM type theorem is also established. As applications of the KKM type theorem, we establish some new existence theorems of solutions for three classes of generalized vector equilibrium problems under noncompact setting of FC-spaces. These theorems improve and generalize many known results in literature.