• Title, Summary, Keyword: ultrapstacks

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SEMI-CONVERGENCE OF p-STACKS

  • Min, Won-Keun
    • Communications of the Korean Mathematical Society
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    • v.18 no.3
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    • pp.533-540
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    • 2003
  • We introduce the notion of semi-convergence of p-stacks and by using that notion we characterize the semi-interior, semiclosure, separation axioms and semi-continuity on a topological space. Also we introduce a new notion of p-somicompactness and investigate its properties in terms of semi-convergence of p-stacks.

PRE-CONVERGENCE OF p-STACKS ON TOPOLOGICAL SPACES

  • Min, Won-Keun
    • The Pure and Applied Mathematics
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    • v.14 no.1
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    • pp.15-21
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    • 2007
  • We introduce the notion of pre-convergence of p-stacks and characterize the pre-interior, pre-closure, separation axioms and pre-continuity on a topological space by using pre-convergence of p-stacks. We also introduce the notion of p-precompactness and investigate its properties in terms of pre-convergence of p-stacks.

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