Can anyone put forward a condition that under that, the following quasi variational inequality have solution ?
(Y-X)^T.F(X)>0 , Y \in K(X) \in R^N
K(X) is a set valued function that has the following structure
K(X)=m(X)+ U(X)
where m(X) is a function and U(X) is a conic valued set valued function.