... 2008.21 N. J. Huang, J. Li, and J. C. Yao, “Gap functions and existence of solutions for a system of vectorequilibrium problems,” Journal of Optimization Theory and Applications, vol. 133, no. ... pp. 35–46, 2008.31 X. H. Gong and J. C. Yao, “Lower semicontinuity of the set of efficient solutions for generalized systems, ” Journal of Optimization Theory and Applications, vol. 138, no. 2, ... Zhong and Huang 40. Therefore, Theorem 4.3 is a generalization of 40, Theorem 4.2. Moreover, by 40, Remark 4.2, Theorem 4.3 ia also a generalizationofTheorems 4.1 and 4.4 due to He 38 and...