Open Access

On -preinvex-type functions

Journal of Inequalities and Applications20062006:093532

DOI: 10.1155/JIA/2006/93532

Received: 7 April 2006

Accepted: 26 July 2006

Published: 17 October 2006

Abstract

Some properties of -preinvexity for vector-valued functions are given and interrelations among -preinvexity, -semistrict preinvexity, and -strict preinvexity for vector-valued functions are discussed.

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Authors’ Affiliations

(1)
Department of Management Science, School of Management, Fudan University
(2)
College of Mathematics and Computer Science, Chongqing Normal University

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Copyright

© J.-W. Peng and D.-L. Zhu. 2006

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.