| Article ID | Journal | Published Year | Pages | File Type | 
|---|---|---|---|---|
| 1261093 | Journal of Taibah University for Science | 2009 | 7 Pages | 
Abstract
												The aim of this paper is to discuss and investigate some characterizations for pre-T1/2-spaces. Also, the implication of this notion among themselves and with the well known axioms such as: pre-To, pre-T1 and pre-T2 are introduced. Further, we give the equivalence between pre-T1/2-space and some types of mappings. Furthermore we introduce and study the definition of pre-TD and pre-symmetric spaces and some of their properties are discussed.
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											Authors
												A.A. Nasef, A.I. EL-Maghrabi, 
											