Spaces of Closed Subsets of a Topological Space

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The purpose of this paper is to examine selected topologies, the Vietoris topology in particular, on S(X), the collection of nonempty, closed subsets of a topological space X. Characteristics of open and closed subsets of S(X), with the Vietoris topology, are noted. The relationships between the space X and the space S(X), with the Vietoris topology, concerning the properties of countability, compactness, and connectedness and the separation properties are investigated. Additional topologies are defined on S(X), and each is compared to the Vietoris topology on S(X). Finally, topological convergence of nets of subsets of X is considered. It is found ... continued below

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v, 116 leaves

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Leslie, Patricia J. August 1974.

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  • Leslie, Patricia J.

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The purpose of this paper is to examine selected topologies, the Vietoris topology in particular, on S(X), the collection of nonempty, closed subsets of a topological space X. Characteristics of open and closed subsets of S(X), with the Vietoris topology, are noted. The relationships between the space X and the space S(X), with the Vietoris topology, concerning the properties of countability, compactness, and connectedness and the separation properties are investigated. Additional topologies are defined on S(X), and each is compared to the Vietoris topology on S(X). Finally, topological convergence of nets of subsets of X is considered. It is found that topological convergence induces a topology on S(X), and that this topology is the Vietoris topology on S(X) when X is a compact, Hausdorff space.

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v, 116 leaves

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  • August 1974

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  • June 24, 2015, 9:39 a.m.

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  • Aug. 17, 2016, 8:57 a.m.

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Leslie, Patricia J. Spaces of Closed Subsets of a Topological Space, thesis, August 1974; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc663365/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .