Journal of the Korean Mathematical Society (대한수학회지)

Korean Mathematical Society (대한수학회)
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$R^i$-SETS AND CONTRACTIVILITY

  • Baik, Bong-Sin (Department of Mathematics Education Woo-Suk University ) ;
  • Hur, Kul (Department of Mathematics Won-Kwang University ) ;
  • Rhee, Choon-Jai (Department of Mathematics Wayne State University )
  • Published : 1997.05.01
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Abstract

We introduce $R^i$-sets and give various relations between $R^i$-sets and prove that the hyperspace of a metric continuum containing any one of the $R^i$-set also contains $R^i$ and hence is not contractible.

Keywords

References

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