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标题：On <mml:math alttext="$\theta$" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>θ</mml:mi></mml:math>-precontinuous functions
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作者：Takashi Noiri
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：2001
卷号：28
DOI：10.1155/S0161171201006500
出版社：Hindawi Publishing Corporation
摘要：We introduce a new class of functions called θ-precontinuous functions which is contained in the class of weakly precontinuous (or almost weakly continuous) functions and contains the class of almost precontinuous functions. It is shown that the θ-precontinuous image of a p-closed space is quasi H-closed.