Bull. Korean Math. Soc. 2013; 50(2): 589-599
Printed March 31, 2013
https://doi.org/10.4134/BKMS.2013.50.2.589
Copyright © The Korean Mathematical Society.
Gui-Mei Luo
Guangdong University of Finance
In this paper, we propose a sufficient condition for the existence of solutions to general variational inequality problems $(GVI(K, F$, $ g))$. The condition is also necessary when $F$ is a $g$-$P_*^M$ function. We also investigate the boundedness of the solution set of $(GVI(K, F, g))$. Furthermore, we show that when $F$ is norm-coercive, the general complementarity problems $(GCP(K, F, g))$ has a nonempty compact solution set. Finally, we establish some existence theorems for $(GNCP(K, F, g))$.
Keywords: general variational inequality problem, general complementarity problem, existence, boundedness, strict feasibility, quasi-$g$-$P_*^M$ function
MSC numbers: 39B62, 47J20, 58E35, 65K10
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