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Generalized vector quasi-equilibrium problems. (English) Zbl 1054.90068
Summary: The properly quasi-convexity of multivalued mappings in an ordered vector space is introduced. Existence theorems for generalized vector quasi-equilibrium problems and multivalued vector equilibrium problems are obtained.

MSC:
90C29 Multi-objective and goal programming
49J53 Set-valued and variational analysis
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