International Journal of Mathematics and Mathematical Sciences
Volume 27 (2001), Issue 7, Pages 391-397
doi:10.1155/S0161171201007037
  
     
          
          On characterizations of fixed points
          
            Zeqing Liu1
            , Lili Zhang1
             and Shin Min Kang3
          
          1Department of Mathematics, Liaoning Normal University, Liaoning, Dalian 116029, China
          3Department of Mathematics, Gyeongsang National University, Chinju 660-701, Korea
          
          Abstract
We give some necessary and sufficient conditions for the existence of fixed points of a family of self mappings of a metric space and we establish an equivalent condition for the existence of fixed points of a continuous compact mapping of a metric space.