... 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. ... of Global Optimization, vol. 32, no. 4, pp. 495–505, 2005.8 K. K. Tan, J. Yu, and X. Z. Yuan, Existence theorems for saddle points of vector-valued maps,” Journal of Optimization Theory and ... applications,” Set-Valued Analysis,vol. 16, no. 7-8, pp. 943–960, 2008.29 J. C. Chen and X. H. Gong, “The stability of set of solutions for symmetric vector quasi-equilibriumproblems,” Journal of Optimization...