Abstract
In this paper, we study a general optimization problem without linear structure under a reflexive and transitive relation on a nonempty set E, and characterize the existence of efficient points and the domination property for a subset of E through a generalization of the order-completeness condition introduced earlier. Afterwards, we study the abstract optimization problem by using generalized continuity concepts and establish various existence results. As an application, we extend and improve several existence results given in the literature for an optimization problem involving set-valued maps under vector and set criteria.
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The work of the first author was partially supported by CONICYT-Chile through FONDECYT 107-0689 and FONDAP-Matemáticas Aplicadas II; whereas that of the second and third author were supported in part by Ministerio de Educación y Ciencia (Spain), project MTM2006-02629 and by Junta de Castilla y León (Spain) Project VA027B06.
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Flores-Bazán, F., Hernández, E. & Novo, V. Characterizing efficiency without linear structure: a unified approach. J Glob Optim 41, 43–60 (2008). https://doi.org/10.1007/s10898-007-9165-x
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DOI: https://doi.org/10.1007/s10898-007-9165-x