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Abstract
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International Journal of Mathematics and Mathematical Sciences
Volume 21 (1998), Issue 1, Pages 205-207
doi:10.1155/S0161171298000295

A note on some applications of semi-open sets

T.M. Nour

Department of Mathematics, University of Jordan, Amman, Jordan

Abstract

The object of the present paper is to study the well known notions of semi-closure, semiinterior, semi-frontier and semi-exterior of a set using the concept of semi-open sets. A semi-isolated point of a set is also defined and studied.