Let G be a graph and f:G → G be a continuous map.Denote by P(f),R(f),SA(f) and U Γ(f) the sets of periodic points,recurrent points,special α-limit points and unilateral γ-limit points of f,respectively.In this paper,we show that R(f)SA(f) = U Γ(f)∪P(f)■.
