Quasi-convex functions and applications
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A. Hassouni; A. Jaddar
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Article
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2001
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Elsevier Science
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English
β 214 KB
## Communicated by F. Clarke Abstract--We establish necessary and sufficient optimality conditions for quasi-convex programming. First, we treat some properties of the normal cone to the level set of a lower semicontinuous quasi-convex function defined on a Banach space. Next, we get our condition