A minimax inequality and its applications to fixed point theorems in CAT(0) spaces

Abstract

Abstract In this paper, a CAT(0) version of famous Fan's minimax inequality is established and as its application, we obtain some fixed point theorems and best approximation theorems in CAT(0) spaces. 2000 Mathematics Subject Classification: 47H10.

Keywords

• CAT(0) space
• minimax inequality
• fixed point