Generalized ( ρ , θ ) - η invariant monotonicity and generalized ( ρ , θ ) - η invexity of nondifferentiable functions. Liu, Caiping; Yang, Xinmin — 2009 Journal of Inequalities and Applications [electronic only]
On existence of a solution for the system of generalized vector quasi-equilibrium problems with upper semicontinuous set-valued maps. Peng, Jianwen; Yang, Xinmin — 2005 International Journal of Mathematics and Mathematical Sciences
Symmetric duality for a class of multiobjective programming. Yang, Xinmin; Wang, Shouyanc; Li, Duan — 2000 International Journal of Mathematics and Mathematical Sciences
Optimality conditions for approximate solutions in multiobjective optimization problems. Gao, Ying; Yang, Xinmin; Lee, Heung Wing Joseph — 2010 Journal of Inequalities and Applications [electronic only]