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topology > general topology > adherent point

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adherent point  

Definición

  • In mathematics, an adherent point (also closure point or point of closure or contact point) of a subset A of a topological space X, is a point x in X such that every neighbourhood of x (or equivalently, every open neighborhood of x) contains at least one point of A.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Adherent_point)

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http://data.loterre.fr/ark:/67375/PSR-W3FS2WPS-M

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