On Dual Invex Ky Fan Inequalities



In this paper, we obtain some new results for the dual invex Ky Fan inequalities in topological vector spaces. These results can be viewed as an extension and refinement of the previously known results of Noor and others.


Ky Fan inequalities Invex set Invex equilibrium problems Preinvex function Upper sign continuous function 


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© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Mathematics DepartmentRazi UniversityKermanshahIran
  2. 2.Research Institute for Fundamental SciencesTabrizIran
  3. 3.Mathematics DepartmentCOMSATS Institute of Information TechnologyIslamabadPakistan

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