S_g- Open Sets in Topological Spaces

S_g- Open Sets in Topological Spaces

Halgwrd M. Darwesh1 & Nawroz O. Hessean2

1  College of Commerce Dept. of Computer & Statistics. University of Sulaimani, Sulaimani, Kurdistan Region, Iraq.

2 Department of Information and Technology, Kurdistan Institution for Strategic students and scientific Research, Sulaimani, Kurdistan Region, Iraq


e-mail: halgwrd.darwesh@univsul.edu.iq


Article info
Original: 05 Nov. 2014 
Revised: 04 Dec. 2014 
Accepted: 10 Dec. 2014
Published online: 20 March 2015

Key Words:
Semi-open sets
g-closed sets 
〖 S〗_g-open sets.




Abstract

In this paper, we introduce a new type of semi-open sets which we call s_g-open sets, and then we study some its basic properties and characterizations, further, we investigate some relationships with some other types of sets.



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