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More on quasi semi-open sets (Q2710538)

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More on quasi semi-open sets
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    2 July 2001
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    More on quasi semi-open sets (English)
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    The notion of a quasi semi-open set in a bitopological space has been introduced by \textit{S. N. Maheshwari}, \textit{G.-I. Chae}, and \textit{S. S. Thakur} in [UOU Rep. 17, 133-137 (1986; Zbl 0621.54017)]. In the present paper the authors consider quasi semi-generalized closed sets in bitopological spaces. They provide characterizations of quasi semi-closed sets and quasi semi-continuity. Furthermore, they investigate separation axioms associated with quasi semi-generalized closed sets. In the last section, quasi semi-homeomorphisms are considered.
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