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Between continuity and set connectedness

机译:在连续性和设定的连通性之间

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Two new weak variants of continuity called 'R-continuity'and 'F-continuity' are introduced. Their basic properties are studied and their place in the hierarchy of weak variants of continuity, that already exist in the literature, is elaborated. The class of R-continuous functions properly contains the class of continuous functions and is strictly contained in each of the three classes of (1) faintly continu-ous functions studied by Long and Herrignton (Kyungpook Math. J.22(1982), 7-14); (2) D-continuous functions introduced by Kohli (Bull.Cal. Math. Soc. 84 (1992), 39-46), and (3) F-continuous functions which in turn are strictly contained in the class of z-continuous functions studied by Singal and Niemse (Math. Student 66 (1997), 193-210).So the class of R-continuous functions is also properly contained in each of the classes of D?-continuous functions, D-continuous function and set connected functions.
机译:引入了两个新的连续性弱变体,称为“ R-连续性”和“ F-连续性”。研究了它们的基本特性,并详细说明了它们在文献中已经存在的连续性弱变体的层次结构中的位置。 R连续函数的类别适当地包含连续函数的类别,并且严格包含在Long和Herrignton研究的(1)微弱连续函数的三个类别的每一个中(Kyungpook Math。J.22(1982),7 -14); (2)Kohli引入的D连续函数(Bull。Cal。Math。Soc。84(1992),39-46),以及(3)F连续函数,这些函数又严格包含在z连续类中Singal和Niemse研究的数学函数(Math。Student 66(1997),193-210)。因此,D连续函数,D连续函数和集合的每个类中也适当包含R连续函数的类连接功能。

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