When Compact sets are  -Closed

Haider Jebur Ali; Marwa Makki Dahham

When Compact sets are -Closed

Authors

Haider Jebur Ali Al-Mustansiriyah University, College of Science, Department of Mathematics, Baghdad, Iraqi
Marwa Makki Dahham Al-Mustansiriyah University, College of Science, Department of Mathematics, Baghdad, Iraqi

Keywords:

α-open set, α-compact, α-Lindelof

Abstract

This paper is devoted to introduce new concepts so called K( c)-space several various theorems about these concepts are provided In addition, further properties are studied such as the relationships between those concepts and other types of K( c)-spaces are investigated.