• Title/Summary/Keyword: rg-closed set

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ON PC-CLOSED SETS

  • Ekici, Erdal;Tunc, A. Nur
    • Journal of the Chungcheong Mathematical Society
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    • v.29 no.4
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    • pp.565-572
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    • 2016
  • In this paper, the concept of $PC^{\star}$-closed sets is introduced. $PC^{\star}$-closed sets contain $pre^*_I$-open and $pre^*_I$-closed sets, ${\mathcal{RPC}}_I$ and $pre^*_I$-closed sets, ${\mathcal{RPC}}_I$ and weakly $I_{rg}$-closed sets.

ON PRESERVING rg-CLOSED SETS

  • Park, Jin-Han;Park, Jin-Keun;Park, Seong-Jun
    • East Asian mathematical journal
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    • v.16 no.1
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    • pp.125-133
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    • 2000
  • Weak forms of regular continuity and regular closure are introduced and used to strengthen some results concerning the preservation of rg-closed sets.

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