Summary
The paper by S. Mititelu [8] is revisited, giving correct proofs of both necessary and sufficient conditions for the existence of solutions to a quasi-convex mathematical programming problem. The usual constraint qualifications established for such a problem, are then further weakened.
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I thank two anonymous referees for some useful suggestions on the first version of the present paper; any responsibility is however solely mine.
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Giorgi, G. Quasi-convex programming revisited. Calcolo 21, 307–316 (1984). https://doi.org/10.1007/BF02576169
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DOI: https://doi.org/10.1007/BF02576169