Iranian International Journal of Science(Not Publish)

Iranian International Journal of Science(Not Publish)

-

Abstract
In this paper, we apply the notion of ?-open sets in topological spaces to present and study contra-?-continuity as a new generalization of contra-continuity (Dontchev, 1996).
Keywords
?-closed
?-compact
contra-?-closed
contra-?-continuity
?-open
strongl S-closed