Authors
Department of Mathematics, College of Education for Pure Sciences, University of Mosul, Mosul, Iraq.
Department of Mathematics, College of Education for Pure Sciences, University of Mosul, Mosul, Iraq.
Abstract
It is well known that for any topological space the family of all α-open sets is also a topological space. In this paper, we introduce a new description of ii-open sets in a topological space with proof that the family of ii-open sets is again a topological space.