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On properties of semipreinvex functions
Published online by Cambridge University Press: 17 April 2009
Abstract
In this paper, we first discuss some basic properties of semipreinvex functions. We then show that the ratio of semipreinvex functions is semipreinvex, which extends earlier results by Khan and Hanson [6] and Craven and Mond [3]. Finally, saddle point optimality criteria are developed for a multiobjective fractional programming problem under semipreinvexity conditions.
- Type
- Research Article
- Information
- Bulletin of the Australian Mathematical Society , Volume 68 , Issue 3 , December 2003 , pp. 449 - 459
- Copyright
- Copyright © Australian Mathematical Society 2003
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