About: Remote point

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In general topology, a remote point is a point that belongs to the Stone–Čech compactification of a Tychonoff space but that does not belong to the topological closure within of any nowhere dense subset of . Let be the real line with the standard topology. In 1962, Nathan Fine and Leonard Gillman proved that, assuming the continuum hypothesis: There exists a point in that is not in the closure of any discrete subset of ... Their proof works for any Tychonoff space that is separable and not pseudocompact.

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  • In general topology, a remote point is a point that belongs to the Stone–Čech compactification of a Tychonoff space but that does not belong to the topological closure within of any nowhere dense subset of . Let be the real line with the standard topology. In 1962, Nathan Fine and Leonard Gillman proved that, assuming the continuum hypothesis: There exists a point in that is not in the closure of any discrete subset of ... Their proof works for any Tychonoff space that is separable and not pseudocompact. Chae and Smith proved that the existence of remote points is independent, in terms of Zermelo–Fraenkel set theory, of the continuum hypothesis for a class of topological spaces that includes metric spaces. Several other mathematical theorems have been proved concerning remote points. (en)
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  • In general topology, a remote point is a point that belongs to the Stone–Čech compactification of a Tychonoff space but that does not belong to the topological closure within of any nowhere dense subset of . Let be the real line with the standard topology. In 1962, Nathan Fine and Leonard Gillman proved that, assuming the continuum hypothesis: There exists a point in that is not in the closure of any discrete subset of ... Their proof works for any Tychonoff space that is separable and not pseudocompact. (en)
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  • Remote point (en)
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