Research ArticleOpen accessPhrase in the titleOn Quasi E-Convex Bilevel Programming ProblemE. A. Youness, O. M.A. Al-OlaaBilevel programming problems involve two optimization problems where the data of the first one is implicity determined by the solution of the second. This study introduces the notions of E-convexity and quasi E-convexity in bilevel programming problems to generalize quasi convex bilevel programming problems. …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 6,569 accessesView PDFCite