The existence of uniqueness non standard equilibrium problems

Document Type : Research Paper


Department of Mathematics, Faculty of Education for Pure Sciences, University of Thi-Qar, Thi-Qar, Iraq


In this paper, the concept of $\eta\xi$-monotonous operator is explored using KKM mapping. The  existence results and uniqueness de ned on its bounded and unbounded domains are discussed. Our ndings improve and develop some well-known solutions in literature.