Fang, Ya-ping; Huang, Nan-jing - In: Mathematical Methods of Operations Research 60 (2004) 3, pp. 369-377
The purpose of this paper is devoted to the least element problems of feasible sets for vector complementarity problems under certain conditions. We generalize the notion of a Z-map due to Riddell to the set-valued case. Some conditions of the feasible set being a sublattice are presented and...