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: 18 July 2010


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 FunctionFull ArticlePublisher NoteDuality PropertyLagrangian Duality

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Authors’ Affiliations

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