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  • Research Article
  • Open Access

Further Study on Strong Lagrangian Duality Property for Invex Programs via Penalty Functions

Journal of Inequalities and Applications20102010:931590

  • Received: 5 February 2010
  • Accepted: 30 June 2010
  • Published:


We apply the quadratic penalization technique to derive strong Lagrangian duality property for an inequality constrained invex program. Our results extend and improve the corresponding results in the literature.


  • Penalty Function
  • Full Article
  • Publisher Note
  • Duality Property
  • Lagrangian Duality

Publisher note

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Authors’ Affiliations

School of Mathematics and Physics, Chongqing University of Posts and Telecommunications, Chongqing, 400065, China
School of Economics and Business Administration, Chongqing University, Chongqing, 400030, China


© J. Zhang and X. X. Huang. 2010

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.