标题：Contra-<mml:math id="E1" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>ω</mml:mi></mml:math>-Continuous and Almost Contra-<mml:math id="E2" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>ω</mml:mi></mml:math>-Continuous
期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2007
卷号：2007
DOI：10.1155/2007/40469
出版社：Hindawi Publishing Corporation
摘要：The notion of contra continuous functions was introduced and
investigated by Dontchev. In this paper, we apply the notion of ω-open sets
in topological space to present and study a new class of called almost
contra ω-continuous functions as a new generalization of contra continuity.
