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In this paper, firstly, we discuss useful linear scalarization characterizations to solutions for unified vector equilibrium problems via improvement sets. Then, using scalarization methods and main assumptions of generalized convexity and monotonicity, the solution continuity for parametric unified vector equilibrium problems, (regularized) gap functions and error bounds, and gap functions via the minimax strategy for unified vector equilibrium problems under improvement sets are investigated, respectively. Our results generalize or improve related ones in the literature. Especially, the results obtained on (regularized) gap functions and error bounds are general and new. |
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Keywords:Vector equilibrium problems; Solution continuity; Gap functions; Error bounds; Improvement set; Scalarization |
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