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 作者：A.P. Dhana Balan , K. Chandrasekhara Rao 来源：[J].Math. Educ., 2008, Vol.42 (3), pp.192-196ZBMATH 摘要：Summary: This is a continuation of the authors' paper [ibid. 19, No. 1, 11--14 (2000; Zbl 0992.54004)]. The aim of this paper is to introduce and study the concepts of semi-preconnected spaces - via the notion of semi preopen sets as well as to investigate the characterization an...
 作者：K. Chandrasekhara Rao , A.P. Dhana Balan 来源：[J].Pure Appl. Math. Sci., 1997, Vol.46 (1-2), pp.1-2ZBMATH 摘要：This paper considers relationships between various forms of generalized continuous functions, e.g. weakly $\theta$-irresolute, irresolute, semicontinuous etc. functions. In particular, those situations are investigated where the domain or the range of the functions possess certai...
 作者：K. Chandrasekhara Rao , A.P. Dhana Balan 来源：[J].Math. Educ., 2001, Vol.35 (1), pp.12-17ZBMATH 摘要：Summary: This paper is a continuation of our paper [Pure Appl. Math. Sci. 46, 49--55 (1997; Zbl 0913.54014)]. Totally clopen continuity, strongly semi-continuity, totally semi-continuity, pre-continuity, irresoluteness and semi-connectedness of functions are investigated.
 作者：K. Chandrasekhara Rao , A.P. Dhana Balan 来源：[J].Bull. Pure Appl. Sci., Sect. E, Math. Stat., 2000, Vol.19 (1), pp.11-14ZBMATH 摘要：Summary: The aim of this paper is to introduce and to study the concepts of preconnected spaces via the notion of preopen sets as well as to investigate their characterizations and relationships to some well-known classes of topological spaces. Several characterizations of precon...